J. H. FENNELL, 1. Warwick Court, Holborn, London.
Just published, price 1s., free by post, 1s. 6d.
DIRECTIONS for Obtaining Positive and Negative Pictures, by the COLLODION PROCESS, and for Printing the Proofs in various Colours upon Paper, by T. HENNAH.
The AMMONIO-IODIDE OF SILVER in Collodion, for taking Portraits or Views on Glass, cannot be surpassed in quickness or delicacy of detail. CHEMICALS of absolute purity especially prepared for this Art. Every description of APPARATUS with the most recent improvements. Instruction given in the Art.
DELATOUCHE & CO., 147. Oxford Street.
To Members of Learned Societies, Authors, &c.
ASHBEE & DANGERFIELD, LITHOGRAPHERS, DRAUGHTSMEN, AND PRINTERS, 18. Broad Court, Long Acre.
A. & D. respectfully beg to announce that they devote particular attention to the execution of ANCIENT AND MODERN FACSIMILES, comprising Autograph Letters, Deeds, Charters, Title-pages, Engravings, Woodcuts, &c., which they produce from any description of copies with the utmost accuracy, and without the slightest injury to the originals.