c.1900 Circular Advertising Microscope for Pathology, Microbiology

Philadelphia, Pennsylvania: James W. Queen & Company, 1900. Very good. Toned with a couple of minor short tears. Letter folds.. Printed circular advertising a microscope ("Queen Continental Outfit No. 3170") sold by Queen & Co., Inc., of Philadelphia, suppliers of equipment for laboratories specializing in microbiology and pathology (among other products). Includes an illustration of the microscope on the front with testimonial. On the back, the circular includes a detailed description of the Queen Continental Stand No. II, and brief descriptions of nine other items with pricing. The circular provides interesting insight into the kind of equipment available to microbiologists and pathologists c.1900, at a time when the fields were rapidly expanding. Measure approx. 9.5" by 6" The James W. Queen & Company was a scientific instrument and optical equipment company that flourished for nearly a century, between 1853 and 1952, under various different entity names. Aside from microscopes, they produced telescopes, air pumps, gyroscopes, magic lanterns, surveying and electrical instruments, and medical equipment.