1 matching record(s)
file U (Description)Anonymous
"A Machine for grinding Lenses spherically"
extract from the Universal Magazine for December 1751, p. 248 and plate (fig. 2). Follows on from "A Description of the Fire-Engine".
[Unknown]
1751
1 matching record(s)
file U (Description)Anonymous
"A Machine for grinding Lenses spherically"
extract from the Universal Magazine for December 1751, p. 248 and plate (fig. 2). Follows on from "A Description of the Fire-Engine".
[Unknown]
1751