Rough sketch of James Nasmyths' apparatus by which most perfect sound speculae may be cast with absolute certainty
- maker:
- James Hall Nasmyth
"Rough sketch of James Nasmyths' apparatus by which most perfect sound speculae may be cast with absolute certainty. Contrived in 1839, and used with great success even since". Signed "James Nasmyth, April 12, 1879" (single sheet 11 1/4" x 8 3/4")
Details
- Category:
- Astronomy
- Object Number:
- 1932-112
- Measurements:
-
overall: 290 x 220 mm
- type:
- pictorial drawings, metal mirrors and castings
- credit:
- Science Museum (Great Britain)