PAMPHLETS.

JUNIUS DISCOVERED. By P. T. Published about 1789.

REASONS FOR REJECTING THE EVIDENCE OF MR. ALMON, &c. 1807.

ANOTHER GUESS AT JUNIUS. Hookham. 1809.

THE AUTHOR OF JUNIUS DISCOVERED. Longmans. 1821.

THE CLAIMS OF SIR P. FRANCIS REFUTED. Longmans. 1822.

WHO WAS JUNIUS? Glynn. 1837.

SOME NEW FACTS, &c., by Sir F. Dwarris. 1850.

*** _Correspondents sending Lists of Books Wanted are requested to send

their names and addresses._

*** Letters, stating particulars and lowest price, _carriage free_, to be

sent to MR. BELL, Publisher of "NOTES AND QUERIES," 186. Fleet Street.

* * * * *

Notices to Correspondents.

BOOKS WANTED.--_We believe that gentlemen in want of particular books,

either by way of loan or purchase, would find great facilities in obtaining

them if their names and addresses were published, so that parties having

the books might communicate directly with those who want them. Acting on

this belief, we shall take advantage of the recent alteration in the law

respecting advertisements, and in future, where our Correspondents desire

to avail themselves of this new arrangement, shall insert their names and

addresses_--_unless specially requested not to do so_.

J. N. RADCLIFFE. _We shall be glad to receive the Legendary Lore mentioned

by our Correspondent._

REV. H. G. _Your letter has been forwarded to_ A. F. B. (Diss).

S. Z. Z. S. _We have a letter waiting for this Correspondent; how can we

forward it?_

C. E. F. _Warm water and a few small shot will thoroughly cleanse the

bottles in which collodion has been kept._

AN AMATEUR EXPERIMENTALIST. _Formerly the pint used in the compounding of

medicines, chemicals, &c. consisted of sixteen fluid ounces, weighing one

pound Avoirdupois weight. Now the imperial pint of twenty ounces is in

general use. The Troy and apothecaries' ounce are the same, and contain

forty grains more than the Avoirdupois ounce. In making collodion, take any

quantity of ether, and dissolve the gun cotton in it; if too thick, it may

always be reduced by the addition of more ether. Uniodized collodion may be

bought quite as cheap as it may be made; and it generally has the advantage

of having been made in a large body, and allowed time to settle, whereby

the clear portion only is more easily decanted off for sale._

_Having active professional duties, it has been only at his leisure that_

DR. DIAMOND _has been enabled to give his attention to Photography, which

has been the main cause of the delay complained of; but the delay will

prove an advantage, for such important improvements are almost daily taking

place in the art that works published a short time since are becoming

comparatively useless._

HUGH HENDERSON. _1st, Black Japan varnish is very improper for your

positive pictures; it often cracks, and is long in drying. Black lacquer

varnish, procurable at Strong's, the varnish makers in Long Acre, is the

best we have been able to procure. 2nd, The solution for development will

keep any length of time; you may use it by dipping or otherwise_.

W.C., _who recommends the use of a plate glass bath enveloped in gutta

percha, is informed that we have had such a bath in use for many months,

and it answers our purpose exceedingly well_.

ABRAHAM. _As we have often said before, we think that a good lens requires

no "actinic" focus to find. In a properly constructed lens the chemical and

visual foci are identical; and we would ourselves not be troubled with the

use of one in which they differed. Our advertising columns will point out

to you where such a lens man be procured. We believe, where there is a

difference between the two foci, chemical and visual, that other

distortions also take place, accounting for some of the unpleasant effects

complained of in Photography._

_A few complete sets of_ "NOTES AND QUERIES," Vols. i. _to_ vii., _price

Three Guineas and a Half, may now be had; for which early application is

desirable_.

"NOTES AND QUERIES" _is published at noon on Friday_, _so that the Country

Booksellers may receive Copies in that night's parcels_, _and deliver them

to their Subscribers on the Saturday._

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