Print, Equation Sheet for Porter's Magnetic Sundial, by Samuel Porter, London, c. 1824-1840
Inventory Number 13310
- Object type
- Print
- Inventory No
- 13310
Horizontal Magnetic Dial, by Samuel Porter, English, c. 1825Inventory Number 36476
Horizontal Magnetic Dial, by S. Porter, London, 1824Inventory Number 50147
Print, Dent's Table for the Equation of Time, London, 1860Inventory Number 13689
Horizontal Magnetic Dial, by S. Porter, English, c.1825Inventory Number 34395
