| Original/Reproduction | Original |
|---|---|
| Time Period Manufactured | Pre-1930 |
Check the listing for details. 1900 Vintage Brass Drum Field Microscope. Listed at 126.00 USD. The invention of the Microscope spans several centuries, circa 1000 CE. The first vision aid- known as a" Reading Stone". This Microscope is made of French Brass and was Manufactured before 1930. It was acquired at an Estate sale in 1770's, in the San Frando Valley, California USA.