E. & H.T. Anthony & Co., 1860 (ca), Interior View. Anthony's Photographic and Stereoscopic Warehouse, Stereoview, Jeffrey Kraus Antique Photographics, LL/34757

E. & H.T. Anthony & Co., 1860 (ca), Interior View. Anthony's Photographic and Stereoscopic Warehouse, Stereoview, detail, Jeffrey Kraus Antique Photographics, LL/34758

Edward Anthony, 1854, Warerooms, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38218

Edward Anthony, 1854, Apparatus Manufactory - Cabinet Shop, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38219

Edward Anthony, 1854, Apparatus Factory - Machine Shop, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38220

Edward Anthony, 1854, Apparatus Department - Finishing Room, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38221

Edward Anthony, 1854, Case Factory - Covering and Finishing Room, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38222

Edward Anthony, 1854, Case Factory - Gilding Room, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38223

Edward Anthony, 1854, Mat and Preserver Factory, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38224

Edward Anthony, 1854, Dipping Room, [1854 Anthony Catalogue], Catalogue illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/38225

1866, Southern Stock Depot, Baltimore, Advert, Google Books, LL/34600

1866, Tilford's St. Louis Photographic Stock Department, Advert, Google Books, LL/34596

1866, Tilford's St. Louis Photographic Stock Department, Advert, Google Books, LL/34597

Bland & Long (authors), 1856, Title page for "Illustrated Catalogue of Apparatus & Chemical Preartions used in the Art of Photography; Comprising the Daguerreotype, Calotypeà" (Bland & Long, Opticians, 1856), Title page, Google Books, LL/34640

1850, Philosophical and Chemical Apparatus - Horne, thornwaite and Wood, Opticians, 123 Newgate Street, London, Advert, Google Books, LL/34657

1859, Horne & thornwaite, Opticians, Advert, Google Books, LL/35343

1858, Advert for the Cincinnati Photographic Stock Depot, No.86, Fifth Street, Advert, Google Books, LL/34670

Unidentified photographer / artist, 1855, Kent's Chemical Laboratory, Book illustration, Google Books, LL/34647

1858, Advert for S.D. Humphrey, Photographic Chemist, Advert, Google Books, LL/34671

1858, Advert for S.D. Humphrey, Photographic Chemist, Advert, Google Books, LL/34672

1858, Advert for Hegan & Escott, 475 Main Street, Louisville, Ky., Advert, Google Books, LL/34674

1858, Advert for Garrigues & Magee, No.108, North Fifth Streey, above Arch, Philadelphia, Advert, Google Books, LL/34675

1861, 12 January, Wholesale List of Cheap Stereoscopes & Views, manufactured by D. Appleton & Co., Advert, Google Books, LL/34773

1856, C.E. Clifford - Photography Apparatus and Chemical Warehouse, Advert, Google Books, LL/35354

1864, Wholesale Photographic and Optical Warehouse. J. Solomon, Advert, Google Books, LL/34464

Richard E. Walzl, n.d., Advertising card for photographic supplies from Richard Walzl, Baltimore, Carte de visite, Archives of Modern Conflict OR National Gallery of Canada, LL/9829

Richard E. Walzl, n.d., Advertising card for photographic supplies from Richard Walzl, Baltimore (Detail), Carte de visite, Archives of Modern Conflict OR National Gallery of Canada, LL/9830

Richard E. Walzl, n.d., Portrait of Richard Walzl, Archives of Modern Conflict OR National Gallery of Canada, LL/9828

Unidentified photographer / artist, 1871, Supplement to the "Photographer's Friend: A Priced Catalogue of Photographic Requisites of Superior Excellence, Furnished by Richard Walzl, Baltimore, Md., Magazine page, detail, Google Books, LL/35809

Unidentified photographer / artist, 1871, Supplement to the "Photographer's Friend: A Priced Catalogue of Photographic Requisites of Superior Excellence, Furnished by Richard Walzl, Baltimore, Md.", Magazine page, detail, Google Books, LL/35810

Unidentified photographer / artist, 1871, Supplement to the "Photographer's Friend: A Priced Catalogue of Photographic Requisites of Superior Excellence, Furnished by Richard Walzl, Baltimore, Md.", Magazine page, detail, Google Books, LL/35811

1871, A Glance into the Future: or, the Wise and the Unwise, Advert, Google Books, LL/35815

1871, Office of the Photographer's Friend, R. Walzl, No.103 West Baltimore Street, Baltimore, MD., Advert, Google Books, LL/35822

1871, Office of the Photographer's Friend, R. Walzl, No.103 West Baltimore Street, Baltimore, MD., Advert, detail, Google Books, LL/35823

1871, Southern Headquarters, For Photographic Requisites - Richard Walzl, Advert, Google Books, LL/35816

London Stereoscopic Company, 1861, Notice to Photographers of "Cartes De Visite", Advert, Google Books, LL/34460

London Stereoscopic Company, 1856, Catalogue of Binocular Pictures of the London Stereoscopic Company, Advert, Google Books, LL/34769

London Stereoscopic Company, 1856, Catalogue of Binocular Pictures of the London Stereoscopic Company, Advert, Google Books, LL/34770

London Stereoscopic Company, 1856, Description and Prices of Sir David Brewster's Lenticular Stereoscopes, Advert, Google Books, LL/34771

Unidentified photographer / artist, n.d., Interior of Stereographic Manufactory (Back), Stereocard, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tues. May 23rd & Thurs. May 25th, 2006, # 06-2, Lot 200), LL/11730

Unidentified photographer / artist, n.d., Interior of Stereographic Manufactory, Stereocard, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tues. May 23rd & Thurs. May 25th, 2006, # 06-2, Lot 200), LL/11729

Unidentified photographer / artist, n.d., Interior of Stereographic Manufactory (Detail), Stereocard, Jefferson Stereoptics, Courtesy of John Saddy (Auction, Tues. May 23rd & Thurs. May 25th, 2006, # 06-2, Lot 200), LL/11731

1881, December, Carte Envelope. Martin & Wm. H. Nixon, Manufacturers, Advert, Google Books, LL/34469

Unidentified photographer / artist, 1853, The apparatus for the Daguerreotype, Book illustration, Google Books, LL/34653

Unidentified photographer / artist, n.d., Plate box for White's Plates, Box for Daguerreian plates, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: Feb 21, 2008, 51, part 1 / lot 48), LL/27067

Unidentified photographer / artist, n.d., Plate box for White's Plates, Box for Daguerreian plates, Larry Gottheim, Be-hold, Inc, Courtesy of Larry Gottheim (Auction: Feb 21, 2008, 51, part 1 / lot 48), LL/27068

1881, December, A.M. Collins, Son & Co., Manufacturers of Photographic Card Stock, Advert, Google Books, LL/34466

1878, A.M. Collins, Son & Co. Manufacturers of Photographic Card Stock, Advert, Google Books, LL/34489

1871, Advert for A.M. Collins, Son & Co., Philadelphia, Advert, Google Books, LL/34889

1884, Marion & Co.'s French Mounts, Advert, Google Books, LL/34500

1878, Exquisite Velvet Frames adapted for Photographic Miniatures, manufactured by E. & H.T. Anthony & Co., 591 Broadway, N.Y., Advert, Google Books, LL/34490

E. & H.T. Anthony & Co., 1874, E. & H.T. Anthony & Co., Stereoscopes and Graphoscopes, Advert, Google Books, LL/34777

1886, Scovill Boudoir Display Photograph Stand, Advert, Google Books, LL/34412

1858, Advert for the Scovill Manufacturing Company, No.4, Beckman Street, NY, Advert, Google Books, LL/34673

1871, Advert for Scovill Manufacturing Company, Advert, Google Books, LL/34897

1881, December, Cramer & Norden's, St Louis, Extra Rapid Dry Plates, Advert, Google Books, LL/34467

1871, Advert for Chas. W. Stevens, 150 Dearborn Street, Chicago, Advert, Google Books, LL/34883

1871, Advert for Wilson, Hood & Co., 822 Arch St., Philadelphia, Advert, Google Books, LL/34884

1871, Advert for Powers & Weightman, Manufacturing chemists, Philadelphia, Advert, Google Books, LL/34885

1871, Advert for Pemberton, Taylor & Co., Atlanta, GA, Advert, Google Books, LL/34886

1871, Advert for Dinmore & Wilson, Baltimore, MD, Advert, Google Books, LL/34887

1871, Advert for Hale, Goodman & Co., Solid Walnut Frames and Mouldings, Advert, Google Books, LL/34894

1871, Advert for Hale, Goodman & Co., Solid Walnut Frames and Mouldings, Advert, Google Books, LL/34895

1871, Carte Envelope!, Advert, Google Books, LL/34896

1881, Advert for Douglass, thompson & CO., Chicago, Advert, Google Books, LL/34899

1881, Advert for Lewis Pattberg & Bro.'s, Office: 709 Broadway, New York, Factory: Jersey City Heights, N.J., Advert, Google Books, LL/34900

1881, Advert for Seavey's Studio, Studio 8, Lafayette Place, New York, Advert, Google Books, LL/34902

1861, Alcoholic Varnish for Glass Positives - Henry Rigge, Advert, Google Books, LL/35365

Unknown artist, 1900, Manufacture of albumen paper in Dresden, Ca. 1890. The first step is to separate the eggs., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42673

Unknown artist, 1900, The albumen is beaten to a foam using steam-driven churns., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42674

Unknown artist, 1900, The albumen is then fermented in large casks for several days., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42675

Unknown artist, 1900, Paper is then floated on the albumen solution and hung on racks to dry., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42676

Unknown artist, 1900, The coated paper is "calendered" in rolling presses to make it more flexible., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42677

Unknown artist, 1900, The paper is sorted into different quality levels and packed for shipment., [Manufacture of albumen paper in Dresden], Book illustration, Private collection of James Reilly, With thanks to James M. Reilly for permission to use this image and to Elizabeth Chiang (George Eastman House) for locating the source., LL/42678

1892, Dresden Albumenized Paper, Advert, Google Books, LL/35310

London Stereoscopic Company, 1859, The New Albumenised Paper - Price 12s per quire., Advert, Google Books, LL/35342

London Stereoscopic Company, 1861, Notice to Photographers of "Carte de Visite" - London Stereoscopic Company, Advert, Google Books, LL/35364

1859, Pure Albumenized Paper - Collin's First-Class French and German Papers, Advert, Google Books, LL/35341

1871, Advert for Howsons' U.S. and Foreign Patent Offices, Advert, Google Books, LL/34888

1881, Advert for "A New and Cheap Method of Engraving", Advert, Google Books, LL/34901

1880, Advert for Heinrich Riffarth, Berlin, W., Advert, Google Books, LL/34917

1880, Advert for Otto Grützmacher, Berlin, SW., Advert, Google Books, LL/34918

1880, Advert for H. Dorn, Advert, Google Books, LL/34919