CHAPTER IX.

MATERIALS NECESSARY FOR PHOTOGRAVURE, AND LIST OF FIRMS SUPPLYING THEM.

_Materials._

Printing Frame (deep), 8 x 10, screw pressure, $8. Roll Carbon Tissue, No. 100; Standard Brown, $3. Johnson Actinometer, $1.25. Beaume Hydrometer, $1.25 (with glass). Silver " (argentometer) 75c. Engravers' Scraper, $1.75, best grade. " Burnisher, $1.75, " Powder Box for graining (paste-board), $1. Powdered Syrian Asphaltum, $1 per pound. Nine (9) pounds Perchloride of Iron (C. P. crystals), 45c. per pound. Stick Rouge, 20c. Turpentine, 20c. (refined). Alcohol (95 per cent.). Modeling Wax, $1.25. One Ps. Scotch Stone, 25c. One dozen Glass Blowers' Charcoal, $2.00 per dozen sticks (for polishing copper). One pound Absorbent Cotton, 50c. One pound Caustic Potash C. P. (sticks). One Porcelain Tray, deep, 11 x 14, $3.50. One Florence Hand Lamp, 75c. One Squeegee. Three Roulettes, $1.50 each. Hand Vise, 75c. Calipers, 50c. Dairy Thermometer, 25 c. One bottle Etchers' Varnish, 50c. One ounce Chloroform, 20c. Six ounces Bichromate Potassium. One pound Concentrated Ammonia.

LIST OF FIRMS SUPPLYING MATERIALS FOR PHOTOGRAVURE.

The Scovill & Adams Co., 423 Broome Street. Photographic Materials and Photo-Engravers' Supplies.

Messrs. Bestgen & Co., 1001 Washington Street, Boston, Mass. Polishers of Copper Plates.

Mr. George Schard, 116 Wooster Street, New York. Polisher Copper Plates.

Mr. Jos. Wheeler, 299 Washington Street, Boston, Mass. Printer of Photogravures.

Messrs. J. H. Daniels & Co., Oliver Street, Boston, Mass. Printers of Photogravures.

Messrs. Frost & Adams, Cornhill, Boston, Mass. Engravers' and Etchers' Supplies.

Messrs. F. W. Devoe & Co., Fulton Street, New York. Engravers' and Etchers' Supplies.

Messrs. Fusch & Lang, 29 Warren Street, New York. Engravers' Supplies.

Mr. Alfred Sellers, 58 Fulton Street, New York. Engravers' Supplies (screw pressure printing frames).

Messrs. John Sellers & Sons, 17 Dey Street, New York. Engravers' Supplies.

Messrs. Eimer & Amend, 18th Street and 3d Avenue, New York. Chemists, Glassblowers Charcoal.

Messrs. Theodore Metcalf & Co., Tremont Street, Boston, Mass. Chemists.

Messrs. Kimmel & Voigt, 242 Canal Street, New York. Expert Photogravure Printers.

Messrs. Whitely & Co., Centre Street, New York. Polisher of Copper Plates.

Messrs. Gilderslieve & Co., 18th Street, New York. Blankets for Press.

Mr. Charles Creedner, 19 South William Street, Room 4, New York. Japan Paper.

Mr. Geo. B. Sharp, 13 Baxter Street, New York. Copper Plates.

Messrs. F. A. Ringler, 21 Barclay Street, New York. Steel Facing Copper Plates, Printers of Photogravures.

Messrs. Leidel & Co., 901 6th Avenue, corner 51st Street, New York. Modeling Wax; Etchers' Supplies.

Thomas Hall (Electrician), Bromfield Street, Boston, Mass. Hydrometers (Smee's Battery), etc.

New York Steel and Copper Plate Co., 171 Wallabout Street, Brooklyn, N. Y.

Mr. Jas. Moffet, 159 Wooster Street, New York. Copper Plates in the Rough.