Brass foot tool in painted tinplate case

Brass foot tool in painted tinplate case used by William Herschel to polish his metal speculum mirrors used in his telescopes.

Details

Category:
Astronomy
Object Number:
1876-1020 Pt1
Materials:
brass (copper, zinc alloy) and tin (metal)
Measurements:
overall (estimate): 35 x 170 mm
type:
components and tools (mirror polishing )
credit:
Mr John Herschel-Shorland