5 American catalogs related to Chemical and Biological Apparatus and Supplies. 1 & 2. E.H. Sargent & Co. Chicago. Price List # 16 of Chemical and Bacteriological Apparatus and Assayers' Supplies. ca 1910. Also, Price List # 20 of Scientific Laboratory Apparatus. Copyright 1914. Both are same sized tall 8 vo. 335 and 382 pp. Profusely Illustrated. Average wear to covers, staining, and some silverfish evidence to List # 16. Contents excellent. 3. Bacteriological Apparatus Microscopes and Microscope Accessories. Catalog N Copyright 1926 by The Denver Fire Clay Co. Denver. 246 pp. Tall 8 vo. Bound in full faux leather with raised gilt "plaques" on the front cover and spine. Profusely Illustrated, and in excellent condition. 4. Catalog B 1923 Microscopes and other Apparatus for Biological Laboratories. Eimer & Amend. New York. 173 pp. Tall8 vo. Full green cloth with gilt title info on front cover. Light edgewear, one bottom corner bumped with small tear, else in overall excellent condition. 5. Catalog 105 1953 for Medicine and Biology. Clay-Adams Co. Inc. New York. 216 pp. Tall 8 vo. Limp re cloth covers, embossed with white on front cover and spine. Profusely illustrated. Even retains the post-paid business reply order form envelope at end. Overall excellent condition.