20079-0001 Musée des arts et métiers-CNAM (Paris France)
Suggestions & Corrections
Type:
instrument
Dimension:
L.: 50; W.: 47; H.: 96
Component's data
Thematic group:
Instruments
Type:
burning lens
Abstract:
Circular burning lens mounted in wooden frame and swung on semi-circular iron arm for rotation. Arm can be turned about a vertical wooden support and clamped by a brass key fitted in the brass top of the vertical support, which terminates below on tripod feet