| Time Period Manufactured | Pre-1900 |
|---|---|
| Country of Origin | United States |
| Maker | Bausch & Lomb |
Check the listing for details. Antique Bausch & Lomb Optical Universal Model Brass Microscope circa 1885–1890. Made in United States. Listed at 1150.00 USD. Oct. 13, 1885 — U.S. Patent 328,277 (Edward Bausch). Acquired from the estate of John Tyler, proprietor of Colophon Books and a well-known antiquarian and microscope aficionado. Oct. 3, 1876 — U.S. Patent 182,919 (Ernst Gundlach).