Naval parallel rule
- Made:
- 1882-1887 in United States
- maker:
- John Bliss and Company
- patentee:
- Lt.-Cdr. Charles Dwight Sigsbee
Naval parallel rule, c. 1885, by John Bliss & Co., patented (No.224,962) in the USA by Charles D. Sigsbee in 1880
Details
- Category:
- Mathematics
- Object Number:
- 1992-11
- type:
- rules (drawing) and parallel rules
- credit:
- Tesseract