Christmas, all over the civilized world, is not only a period of festive

reunion, but, according to the only rational interpretation of the word,

a time of good will towards men, and peace upon earth. Photographers,

like other men, have had their little differences of opinion, which have

produced partial estrangements during a portion of the year which will

so soon expire; but let the approaching season, which is held in

commemoration of the birth of the greatest Peacemaker that ever came

among men, be looked upon by all as the fittest time to forget and

forgive all slights, injuries, or insults, real or imaginary; and let

not the great festival of our common faith be clouded or eclipsed by an

angry thought, nor the immeasurable charity of true Christianity be

dimmed by one unforgiving feeling. The light of the Christian faith is a

light that should penetrate to the dark cells of our hearts, and dispel

all the gloomy and corrosive accumulations of controversy that may have

lodged there, and unconsciously eaten away any part of our better

nature. Few of us--none but the most presumptuous--can lay his hand upon

his heart and say, "Mine is immaculate!" None of us are without sin, and

charity and forgiveness are the greatest of the Christian virtues; and

they should be the more carefully studied and practised by all who live

in and by the Light of the world.

_December 15th, 1868._

PHOTOGRAPHY AND THE IMMURED POMPEIIANS.

Everyone must be sensible of the many and varied applications of

photography. Even photographers themselves, familiar as they are with

the capabilities of the art they practise, must necessarily have their

wonder excited occasionally at the scope of their art-science,

especially when they consider that the process, as practised at the

present day, is not more than seventeen years old. That it should be the

historian of the life and manners of the present period more fully and

faithfully than any written account, is not so much a matter of

surprise. Appealing, as it does, to the vanity and affections of the

people, it is at once a recorder of the changes of fashion, a registrar

of marriages, births, and deaths, and a truthful illustrator of the

times in which we live; but that it should be brought to bear upon the

past, and make the inhabitants of the world in the nineteenth century

familiar with the forms, fashions, manners, life, and death of the

people of the first century of the Christian Era, is something to be

marvelled at, and at first seems an impossibility. Yet such is the fact;

and photography has been made the cheap and easy means of informing the

present generation of the manner in which the ancients behaved,

suffered, and died in the midst of one of the most appalling

catastrophes that ever overtook the inhabitants of any part of the

world, ancient or modern, as vividly and undeniably as if the calamity

had occurred but yesterday.

The foregoing reflections were excited by seeing very recently some

photographs from plaster casts of the forms of human beings as they had

fallen and died when Pompeii and Herculaneum were destroyed by the first

known and terrible eruption of Mount Vesuvius. The photographs alluded

to reveal with a fearful fidelity the dreadful agonies of some of those

who perished at Pompeii, and, while looking at the pictures, it is very

difficult to divest the mind of the idea that they are not the works of

some ancient photographer who plied his lens and camera immediately

after the eruption had ceased, so forcibly do they carry the mind back

to the time and place of the awful immurement of both a town and its

people.

That these photographs were not obtained from the lifeless forms of the

Pompeiians the reader will readily understand, for their bodies have not

been preserved entire from that day to this. The question then naturally

arises, "How could plaster casts be obtained from which the photographs

were produced?" To answer that question I must briefly explain that

Pompeii was not, as is generally understood, destroyed by an overflow of

red hot lava, which would have burnt up every particle of human flesh

with which it came in contact almost instantly, without leaving a mould

or impress of the form which it surrounded. The _black mud_ which flowed

from Vesuvius into the doomed town of Pompeii entombed the houses and

inhabitants--covered them up and formed a thick crust over them, which

gradually hardened, and as the bodies crumbled away to dust a mould or

matrix was left, from which plaster casts of great beauty and finish

might have been obtained of almost everything that was destroyed.

Unfortunately, this was not discovered until very recently, after many

of the beautiful moulds had been destroyed by the process of hurried,

thoughtless, and unsystematic excavation. It was only a short time

ago, since Naples was united to Italy, that careful and intelligent

excavation secured to future generations impressions from those matrices

made by the most terrible process of natural mould making.

Sig. Fiorelli, who was appointed superintendent of excavations at

Pompeii, happily thought of obtaining casts from these natural moulds by

pouring in soft plaster of Paris, and thus secure more useful mementos

than by preserving the moulds themselves. Amongst the first casts thus

obtained were the forms of four human beings, described as follows in

the _Quarterly Review_ for 1864:--

"These four persons had perished in the streets. Driven from their

homes, they sought to flee when it was too late. These victims of the

eruption were not found together, and they do not appear to have

belonged to the same family or household. The most interesting of the

casts is that of two women, probably mother and daughter, lying feet to

feet; they appear from their garb to have been people of poor condition.

The elder seems to lie tranquilly on her side, overcome by the noxious

gases. She probably fell and died without a struggle. Her limbs are

extended, and her left arm drops loosely. On one finger is still seen

her coarse iron ring. Her child was a girl of fifteen; she seems,

poor thing, to have struggled hard for life. Her legs are drawn up

convulsively. Her little hands are clenched in agony. In one she holds

her veil, or part of her dress with which she had covered her head,

burying her face in her arms to shield herself from the falling ashes

and from the foul, sulphurous smoke. The form of her head is perfectly

preserved. The texture of her coarse linen garments may be traced, and

even the fashion of her dress, with its long sleeves reaching to her

wrists. Here and there it is torn, and the smooth young skin appears in

the plaster like polished marble. On her tiny feet may still be seen her

embroidered sandals. At some distance from this group lay a third woman,

apparently about the age of twenty-five, and belonging to a better

class. Silver rings were on her fingers. She lay on her side, and had

died in great agony. Her garments had been gathered up on one side,

leaving exposed a limb of the most beautiful form. She had fled with her

little treasure, two silver cups, a few jewels, and some silver coins,

and her keys, like a careful matron. The fourth cast is that of a man of

the people, perhaps a common soldier. He is almost of colossal size. He

lies on his back, his arms extended by his side, and his feet stretched

out, as if, finding escape impossible, he had laid himself down to meet

death like a brave man. His dress consists of a short coat or jerkin,

and tight-fitting breeches of some coarse stuff, perhaps leather; heavy

sandals, with soles studded with nails, are laced tightly round his

ankles. On one finger is seen his iron ring. His features are strongly

marked, his mouth open, as in death. Some of his teeth still remain, and

even part of the moustache adheres to the plaster."

Such is the description of the plaster casts; and the photographs which

I possess of those casts convey to the mind at one glance all that is

there written. Wonderful photography! How eloquent in their silence are

thy pictures! To what more dignified and sublime uses could any art be

put? Only a few can look upon those casts of the dead Pompeiians in the

Museum of Naples, but the whole world may view the photographs taken

from them, and look upon the Pompeiians in their forms and habits as

they died, and read a page from the unwritten histories of those

terrible death-struggles, when the strong man, the tender, placid

mother, and the young and delicate maiden were all entombed in that

fearful sea of mud, amidst darkness and horrors that can never be

adequately described.

Such an awful catastrophe will never cease to interest the student of

ancient history, and photography will now be the means of deepening his

interest, and revealing to his mind with greater force and lucidity many

scenes that actually occurred at the very moment of the appalling

destruction of Pompeii, on the 24th of August, A.D. 79.

A SIMPLE MODE OF INTENSIFYING NEGATIVES.

Undoubtedly the best possible practice of photography is that which

requires no after intensification in the production of a first-class

negative. This, however, though a "consummation devoutly to be wished,"

is not always attained, even by the most experienced photographer. Every

operator knows that there is sometimes a condition of things that

renders a simple and efficient process of intensifying afterwards

indispensable.

Of all the modes of intensifying--and their name is legion--I think the

readiest and most generally useful has been much neglected. The

persulphate of uranium and ferridcyanide of potassium process gave

wonderfully charming results. But what of that? It was completely

impracticable, and a failure, in consequence of its tendency to go on

increasing in intensity in the hands of the printer.

The bichloride of mercury and iodine processes, unlimited in number,

also went on increasing in an unlimited degree, and no amount of

"roasting" could reduce the negatives so treated to the desirable degree

of transparency that would enable any printer to obtain good

impressions. There is, however, one of the bichloride of mercury

processes, published some years ago, which I modified so as to give the

most satisfactory results. It rendered the negative sufficiently

intense, and preserved the most exquisite modelling, without changing

afterwards; but the process was very troublesome, and not very

agreeable.

The simplest, cheapest, and most reliable process of intensifying

negatives that I know of is with sulphuret of potassium (liver of

sulphur) used in the following manner:--

Make a very dilute solution of sulphuret of potassium, put it into any

old gutta-percha or porcelain bath; and, after the negative is developed

as far as is desirable with the ordinary iron developer, fixed, and

washed in the usual way, immerse the plate in that state at once into

the solution of sulphuret of potassium, in the same manner as in

sensitising the plate in the nitrate bath, by using a dipper, and leave

it there until sufficiently intense, which is generally in about the

time required for coating and sensitising another plate, so that, if the

operator be working single-handed, very little, if any, time is lost in

the process of intensifying.

The solution may also be flooded over the plate in the same manner as

the developer, after fixing and washing as before.

When sufficiently intense, rinse the plate with water, dry, and varnish

in the ordinary way. But it is best to use the intensifier in the manner

first described, which is by far the most cleanly and economical plan,

both in the saving of time and solution. By using it with the "bath and

dipper," it is not offensive, on account of its extreme dilution, and

not being disturbed so much, or immediately under the olfactory nerves

of the operator, it may be worked in the ordinary dark room with the

greatest safety and convenience.

A STRING OF OLD BEADS.

He is a rash man who announces "something new" in these days. I believe

there is nothing new under the sun, and in photography especially. If

any man be rash enough to rush into print with what he considers a new

idea, some other man rushes into print also and says the idea is old,

exploded, useless, worthless, or worse.

I lay no claim to originality. I have lived so long in the atmosphere of

photography, I don't know where or how I picked up my knowledge--such as

it is. Some of it I may have stumbled on, some of it I may have found,

and some of it I may have stolen. If the latter, I forget from whom,

when, or where, and in all such cases a bad memory is a good and

convenient thing. But I will endeavour to atone for such sins by

publicly restoring all I may have filched from other men's brains for

the benefit of all whom it may concern. I shall not count the beads;

that would be like running over a rosary, and I object to sub rosa

revelations; neither shall I attend to the order of stringing the beads,

but will put them on record just as they come to hand; and the first

is--

_How to Make Vignette Papers._--Take a piece of sensitised paper, lay it

under a piece of glass and let it blacken. Then take a camels'-hair

pencil dipped in a weak solution of cyanide of potassium, and paint the

extreme size and shape of the desired aperture. Let it dry, and with a

little stronger solution of cyanide paint _within_ the size and shape,

and then with a stronger solution paint the centre, which will be

perfectly white and semi-transparent. The object of using the three

strengths of solution and painting three separate times is to obtain

gradation, and the edges will be yellow and softened like a vignette

glass. These vignette papers can be attached to the back of the negative

or to the outside of the printing-press, and can be used either in shade

or sunshine without materially prolonging the time of printing. The

cost of production is trifling, as any waste piece of paper and spare

time can be employed in making them, and they do not occupy much time in

making; in fact, one can be made in less time than will be spent in

reading this description. I need not expatiate on the advantages of

being able to make a special vignette quickly. Every photographer must

have experienced the difficulty of purchasing a special size and shape

to suit a particular subject.

_How to Point a Pencil._--Rub the pencil to a point in the groove of a

corundum file. This is a better and cheaper pointer than a Yankee

pencil-sharpener, and it puts a finer point to a blacklead pencil than

anything else I know. Retouchers, try it.

_How to Ease a Tight Stopper._--There is nothing more annoying in the

practice of photography than to take up a bottle and find the stopper

_fixed_. In many instances the bottle is broken and time wasted in

trying to remove the fixed stopper. When such an obstinate stopper gets

into your hands, run a little glycerine round the top of the bottle. Set

the bottle down, and in a few minutes the stopper will be free.

Prevention is better than cure. Keep a little glycerine on all your

stoppers. Glycerine agrees with every chemical in photographic use, and

prevents stoppers and bottles coming to grief. In a thousand and one

ways a little glycerine is beyond all price.

_How to Prepare Albumenized Prints for Colouring._--Pour over them a

little matt varnish. This removes the greasiness, and gives a fine tooth

and ivory-like surface for the artist to work upon.

_How to Remove Silver Stains from the White Ground of a

Vignette._--Touch it with a solution of cyanide of potassium, and wash

off immediately. The other parts of the picture will not be injured.

_How to Stipple a Window White or Yellow._--For white, mix a little

dextrine and kaolin in water. Dab the mixture on the glass with a piece

of cotton. For the purpose of obscuration that is quite enough; but if

sightliness be essential, finish by stippling with the ends of a

hog's-hair brush. For yellow, mix a little dextrine and deep orange

chrome in powder together in water, and apply it to the window in the

same manner. Dabbing once or twice with a piece of cotton will exclude

white light and make a luminous dark room. The same mixture makes an

excellent backing for dry plates to prevent halation.

LIGHTS AND LIGHTING.

A great deal has been written and said about lights and lighting--a

great deal too much; yet more must be said and written.

Light is to the photographer what the sickle is to the shearer--a good

reaper can cut well with an indifferent sickle, but an indifferent

reaper never gets a good sickle in his hand. A good photographer, who

also understands light and shade, can produce good pictures in an

ordinary studio. It is the indifferent photographer who runs after

"fancy lights," and is, like a benighted traveller in pursuit of a

will-o'-the-wisp, eventually left floundering in a bog. It is folly to

construct powerful concentrators if powerful reflectors have to be

employed to counteract their defects. If a limited amount of diffused

light be absolutely necessary it is best to retain it and use it in its

simplest and least expensive form.

When I commenced photography glass houses were scarcer in England than

comets in the heavens, and the few that were in existence were all

constructed on false principles. It was not until I visited America that

I saw a _properly_-constructed studio. The Americans were, and are,

prone to give stupid names to sensible things; and the names they gave

to their studios were no exceptions. This, that, and the other

photographer advertised his "mammoth skylight." I went to sit, see, and

be satisfied that their mode of lighting was very superior to ours. I

was convinced _instanter_ that the perpendicular sides and sloping

roofs of our miserable little hothouses were mistakes and things to be

abhorred, while their spacious rooms and "mammoth skylights" were things

to be admired and adopted.

In one of these rooms, and almost without blinds or reflectors, the

sitter could be "worked" on a semi-circle or half oval, and "lighted"

either in front or on either side at pleasure, and with the greatest

facility. I determined, there and then, to build my next studio on

similar principles; but until recently I have had no opportunity of

carrying out my intentions. To get what I required and to make the best

of my situation I had to "fence and fiddle" the district surveyor: but I

gained my point, and the victory was worth the foils and the

fiddlestick.

My studio can be lighted from either side; but the "light of lights" is

the north one, and that is a large fixed window 11 by 9 feet with a

single slope of two and a half feet in the height; that is, two and

a half feet out of the perpendicular at the top, with no other top light

and no perpendicular side light. With this light I do all ordinary work.

I can work round the light from one side of the room to the other, as

under a mammoth skylight, without using either blind or reflector. If I

want Rembrandt effects I have only to open a shutter on the south side,

and let in subdued sunlight. That at once becomes the dominant light,

and the north light illumines the shadows. The bottom of the north light

is three feet from the floor.

The advantages of this form of studio are these. It is cool, because no

more light is admitted than is absolutely necessary. It is neat, because

no rag-like curtains are hanging about. It is clean, because there is

nothing to collect dirt. It is dry, because the pitch of the roof

renders leakage impossible. It is pleasant to the sitter, because of

these desirabilities, and that the light is not distressing. It is

agreeable to the operator, because the work is easy and everything is

comfortable.

Printed by Piper & Carter, 5, Furnival Street, Holborn, London, E.C.

SEVEN NEW SIZES,

ALL WITH

TRANSPARENT

FILM.

[Illustration: Kodak Film Camera]

No apparatus connected with Photography has ever excited so much

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No. 3, Junior, "

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No. 4, Junior, "

No. 4, Folding, "

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_Send for the New KODAK PRIMER, fully describing all sizes and styles._

THE EASTMAN PHOTOGRAPHIC MATERIALS COMPANY, Limited,

115, Oxford Street, London, W.

IT IS ADMITTED by Every Competent Authority THAT WRATTEN'S 'LONDON'

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Messrs. Wratten & Wainwright's Complete Illustrated Catalogue contains

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WRATTEN & WAINWRIGHT,

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=AUTO-GRAVURE.=--The Autotype process as applied to Photographic

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Offices: 74, New Oxford Street, w. c. -- Works: Ealing Dene, Middlesex.

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ROSS' LENSES AND APPARATUS.

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[Illustration: Bellows Cameras]

The Evolution of Photography With a Chronological Record of Discoveries, Inventions, Etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years · 第 25 / 26 段