Terms: James W. Queen & Co, Inc.
Terms: E. Leitz, Inc.
Terms: Spectrography
Terms: Spencer Lens Company
Spencer Lens Company, Buffalo, NY (45)
Carl Zeiss, Inc., New York (12)
Ernst Leitz, Wetzlar, Germany (10)
Spencer Lens Company, Boston, MA (8)
Carl Zeiss/ Jena (7)
Winkel-Zeiss, Göttingen, Germany (7)
Spencer Lens Company, Boston (4)
Carl Zeiss, Inc./ New York (3)
James Swift & Son, Ltd., London (3)
T. H. McAllistar, New York (3)
James W. Queen & Co., Philadelphia (2)
Optical Works C. Reichert, Vienna (2)
Queen & Co., Inc., Philadelphia (2)
R. Winkel Ltd., Göttingen, Germany (2)
American Instrument Co., Inc., Silver Spring, MD (1)
American Scientist, Vol. 31, No. 3 (1)
Arthur H. Thomas Company, Swedesboro, NJ (1)
Cambosco Scientific Company, Boston (1)
Cambosco Scientific Company, Waverley, MA (1)
Microscopes (204)
Spencer Lens Company (61)
Carl Zeiss Inc., Jena (53)
Carl Zeiss Inc. (18)
R. Winkel Ltd. (9)
Microtomes (5)
Spectrography (5)
Optical Equipment (5)
Microscopes - Polarizing (4)
T. H. McAllistar (3)
Petrography (3)
James Swift & Son, Ltd. (3)
Micromanipulators (2)
C. Reichert (2)
James W. Queen & Co, Inc. (2)
Delineascopes (2)
Microscopes -- American (2)
Abridged Catalogue of Microscopes
Accessories for Spencer Instruments
The Advent of the Microscope at Yale College
The Analogous Shapes of Cells and Bubbles
Apparate zur Mikroprojektion mit polarisierem Licht
Apparatus and Supplies for Chemistry and Physics
Apparatus for the Metallographic Laboratory
Apparatus for the Projection of Experiments with Polarised Light
Apparatus for the Projection of Spectrum Experiments