Brass Gregorian telescope of 3 1/2 inch aperture by B. Martin
- maker:
- Benjamin Martin
Brass Gregorian telescope of 3 1/2 inch aperture by B. Martin, London on altazimuth stand with claw foot stand, 2 eyepieces and a wooden case. The instrument was used by John Winthrop to observe the 1761 transit of Venus. Given to Harvard College by Thomas Hancock of Boston Mass., it is thought to be the only instrument to survive the fire of 1764.
Details
- Category:
- Astronomy
- Object Number:
- 1911-283
- Materials:
- brass, speculum metal and complete
- type:
- telescope - gregorian and telescope - reflecting
- credit:
- Donated by Mr Thomas H. Court (Court Collection)