Containing a Brief History of its Formation, and of the various Collections
of which it is composed: Descriptions of the Catalogues in present use;
Classed Lists of the Manuscripts, &c.; and a variety of Information
indispensable for the "Readers" at that Institution. With some Account of
the Principal Libraries in London. By RICHARD SIMS, of the Department of
Manuscripts; Compiler of the "Index to the Heralds' Visitations."
London: JOHN RUSSELL SMITH, 36. Soho Square.
* * * * *
XYLO-IODIDE OF SILVER, exclusively used at all the Photographic
Establishments.--The superiority of this preparation is now universally
acknowledged. Testimonials from the best Photographers and principal
scientific men of the day, warrant the assertion, that hitherto no
preparation has been discovered which produces uniformly such perfect
pictures, combined with the greatest rapidity of action. In all cases where
a quantity is required, the two solutions may be had at Wholesale price in
separate Bottles, in which state it may be kept for years, and Exported to
any Climate. Full instructions for use.
CAUTION.--Each Bottle is Stamped with a Red Label bearing my name, RICHARD
W. THOMAS, Chemist, 10. Pall Mall, to counterfeit which is felony.
CYANOGEN SOAP: for removing all kinds of Photographic Stains. Beware of
purchasing spurious and worthless imitations of this valuable detergent.
The Genuine is made only by the Inventor, and is secured with a Red Label
bearing this Signature and Address, RICHARD W. THOMAS, CHEMIST, 10. PALL
MALL, Manufacturer of Pure Photographic Chemicals: and may be procured of
all respectable Chemists, in Pots at 1s., 2s., and 3s. 6d. each. through
MESSRS. EDWARDS, 67. St. Paul's Churchyard; and MESSRS. BARCLAY & CO., 95.
Farringdon Street, Wholesale Agents.
* * * * *
Just published, price 1s.