Henley's Twentie
章节目录
共 139 段- IV.—Mix glue as usual, and then add linseed oil in the propo
- With a small knife or spatula apply the cement to the back o
- XIV.—Copal varnish, 15 parts; hydrated lime, 10 parts; glue
- «Meerschaum Cements.»—I.—If the material is genuine (natural
- VIII.—Dissolve by the aid of heat 100 parts of builders’ glu
- A very strong, stiff paste for fastening cardboard mounts to
- Alloys generally possess characteristics unshared by their c
- VII.—For Cementing Glass.—Most of the cements in ordinary us
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- «Copper Arsenic.»—Arsenic imparts to copper a very fine whit
- «Oreïde or Oroïde (French Gold).»—The so-called French gold,
- II.—Brass, 120 parts; zinc, 75 parts.
- «Alloy for Pattern Letters and Figures.»—A good alloy for ca
- Processes for preparing amalgams by double decomposition bet
- «Amalgam for the Rubber of Electric Machines.»—Mercury, 100
- «Poisonous Mushrooms.»—Symptoms: Nausea, heat and pains in t
- The addition of the starch serves the double purpose of a “f
- Mix, moisten the powder with 3 pints of alcohol, and set asi
- Claret syrup 2 ounces
- Caustic soda in large excess is injurious to boiler fittings
- «A Cheap and Excellent Warming Bottle.»—Mix sodium acetate a
- «Tempering Brass.»—If hammered too brittle brass can be temp
- «Imitation Japanese Bronze.»—When the copper or coppered art
- According to another process carbide is put on the market in
- Casket hardware trimmings, which are so extensively used on
- To put this process in practice, 1,000 parts of pyroxyline i
- «Softening and Cementing Celluloid.»—If celluloid is to be w
- IV.—Cornwall stone 118 parts
- In preparing his cheese the dairy farmer puts the greater po
- «Bottling Sweet Cider.»—Champagne quarts are generally used
- III.—If the hat has become much darkened in tint by wear the
- When either paint or varnish has dried, its removal becomes
- II.—When the rust is recent it is removed by rubbing the met
- «To Clean Gilt Objects.»—I.—Into an ordinary drinking glass
- «To Clean Mirrors.»—Rub the mirror with a ball of soft paper
- Cut or bruise the plants and spices, and macerate them in th
- «To Dye Copper Parts Violet and Orange.»—Polished copper acq
- III.—Crystalline Honey Pomade.—Nut oil, 125 drachms; spermac
- I.—Lanolin 30 parts
- This mixture is allowed to stand for 3 or 4 days in the sun
- Heat 4 parts of water and 1 part of white wax over a fire un
- Scent with oil of cloves.
- Take a piece of a fabric, striped red and white, and draw th
- «Brown for Cotton.»—Catechu or terra japonica gives cotton a
- The ordinary bath for dyeing hats, employed by London manufa
- «Carmine Lake for Wall Paper and Colored Papers.»—Ammonia so
- From this it will be seen that the Houdans and Brahmas are t
- «Rosin Soap as an Emulsifier.»—The soap should be made by bo
- When the vase or other article has been hammered out to the
- With good coal and a furnace constructed to utilize the heat
- The base of enamel is glass, colored different shades by the
- II.—The following is based upon Liebig’s method of making co
- Reduce the tea to a powder, moisten with sufficient of the g
- «Etching on Copper.»—I.—In order to do regular and quick etc
- «Smokeless Powder.»—The base of smokeless powders is nitrate
- «Purifying Oils and Fats.»—In purifying fatty oils and fats
- I.—Alum 24 parts
- Fraxin, blue green (1), pale green (2).
- «Detection of Caramel.»—A solution of caramel is used to col
- «Meat Products.»—As in many other classes of foods, certain
- A saturated solution of common salt is one of the best thing
- «French Gelatin.»—Gelatin is derived from two sources, the p
- VII.—Take white lead ground in a mixture of 3/4 varnish an
- «To Recover the Gold from the Remains of the Foregoing Proce
- «Grindstone Oil.»—Complaints are often heard that grindstone
- On the other hand, it has been stated that this preparation
- «Starch Luster.»—A portion of stearine, the size of an old-f
- Ordinary rosin, 1/2 pound; lard oil, 1 tablespoonful; lamp
- Nigrosin is a term applied to several compounds of the same
- V.—Green.—Take 1 part of aniline blue; 3 parts of picric aci
- «For Head Lice in Children.»—One of the best remedies is a v
- ITCH, BARBERS’: See Ointments.
- «22-Carat Solder.»—Soldering is a process which, by means of
- «Colored Lacquer.»—Make a strong solution of any coloring ma
- Heat until melted, in a pot, 1,000 parts {445} of wax and 1,
- «Blacking for Harness.»—I.—In a water bath dissolve 90 parts
- Eyepieces.—To find impurities, revolve the eyepieces during
- «For Axles of Heavy Vehicles.»—I.—Tallow (free from acid), 1
- II.—Bronze and silver medals should always be coated with a
- I.—Dip the article in a solution of 2 ounces of liver of sul
- Asbestos mortar consists of a mixture of asbestos with 10 pe
- «Wool Oil.»—These are usually produced by the distillation i
- I.—Ordinary barytes 25 pounds
- «Steel.»—An excellent coating for steel, imitating the blue
- «Razor Paper.»—I.—Smooth unsized paper, one of the surfaces
- In regard to the making of a passe-partout frame, the first
- «Cologne Spirits or Deodorized Alcohol.»—This is used in all
- In using the formula herewith given, it should be borne in m
- With a fairly correct exposure this will be found to produce
- Undoubtedly spoiled negatives form the greatest waste. The u
- Dissolve and filter; then add 11 drops of a 1 in 50 filtered
- The finished prints, dried and trimmed to the required size,
- The instruments used are an objective of very short focus an
- Walnut Ground.—Fifty parts white lead; 3 parts dark golden o
- The lead oleate made by the interaction of hot solution of s
- «Zinc Bronzing.»—The zinc article must be first electro-copp
- «Coppering Zinc Plate.»—The zinc plate should first be clean
- _c._ 2 1/2 parts of starch sugar in 30 parts distilled wat
- I.—The salts of silver are colorless when the acids, the ele
- «Resilvering.»—I.—Take 100 parts, by weight, of distilled wa
- Powder the acid, mix well with the others. This is styled “f
- «Polishing Bricks.»—Stir into a thick pulp with water 10 par
- «Strawberries.»—Carefully remove the stems and calyxes, plac
- N. B.—The above tricks are not safe in any but specially mad
- «Remedies for Dry Rot.»—A good remedy for dry rot is petrole
- A bronze-colored oxide coating which withstands outward infl
- SCRATCH BRUSHING: See Plating, under Gilding.
- The oldest drier is probably litharge, a reddish-yellow powd
- «Lustrous Oxide on Silver» (see also Plating and Silver, und
- Dissolve the potash in 1 ounce of water, heat the oil on a w
- Soft Toilet Soaps.—Soft toilet soaps or creams may be prepar
- Karmarsch’s Composition.—
- IV.—For work 633 fine: Fine silver, 66 parts; brass, 34 part
- Alcohol 51.10 parts
- An organism belonging to the vegetable family and to which t
- This mixture protects the appearance of polished or matted s
- «Testing Steel.»—A bar of the steel to be tested is provided
- «Proportions.»—There are three important considerations to b
- 4. Use of an Impervious Partition.—When blocks are made on a
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- White paper is coated with a liquid whose chief constituent
- Alcohol will hold in solution only about one-third of its we
- «Bottle Varnish.»—Bottles may be made to exclude light prett
- The purpose of these varnishes is to protect the metals from
- Sulphur is a specific for mange; the trouble consists in its
- «Watchmakers’ Oil.»—I.—Put some lead shavings into neat’s fo
- Raw caoutchouc contains a number of natural impurities, such
- XVII.—One hundred parts, by weight, of castor oil are heated
- This is the best preparation, but one in which the beeswax i
- Wash the ceiling by wetting it twice with water, laying on a
- This table is interesting in so far that the California unfe
- If the block of stone is scratching, perhaps the appearance
- After the first bath the wood is plunged into a second, form
- «Oak.»—I.—Water-color stains do not penetrate deep enough in
- Boiler Compounds, 121
- Fancy Soda Drinks, 113
- Mineral Acids, Poison, 92
- Solder, Copper, 659
- Page 530. The phrase “pense and flat” was changed to “dense