Bird's brass standard scale, made about the year 1750, engraved "Royal Society 42", 92 7/ 16"x17/32"x9/32". Divided in inches and tenths from -1 to 90, from 10 to -0.1, a scale is divided in 100 parts. Rest on mahogany bed with cover the whole in wood case
Details
- Category:
- Weighing & Measuring
- Object Number:
- 1900-165
- Materials:
- mahogany (wood), wood (unidentified) and brass (copper, zinc alloy)
- type:
- linear measure standard
- credit:
- The Royal Society