| Original/Reproduction | Original |
|---|---|
| Time Period Manufactured | Pre-1930 |
| Country of Origin | United States |
| Maker | Charle.s Ewing |
Check the listing for details. Antique 19th-Century Binocular Brass Microscope – Charles G. Ewing. Made in United States. Listed at 3995.95 USD. Antique 19th-Century Binocular Brass Microscope – Charles G. Ewing, San Francisco (c. 1875-1885). Optical Design: Wenham binocular tubes with a sliding prism for stereoscopic viewing. Eyepieces: Two matching pairs of binocular eyepieces.