A vertical cutting frame (as Vol V Fig.90); an eccentric cutting frame (as Vol V Fig. 193); a universal cutting frame, E. Baker's pattern (as Journal of the Amateur Mechanical Society, Oct. 1871, p. 139); a Holtzapffel-type goneostat case with till top containing two powder tins and a goneostat with three slides for stones and laps.

Details

A vertical cutting frame (as Vol V Fig.90); an eccentric cutting frame (as Vol V Fig. 193); a universal cutting frame, E. Baker's pattern (as Journal of the Amateur Mechanical Society, Oct. 1871, p. 139); a Holtzapffel-type goneostat case with till top containing two powder tins and a goneostat with three slides for stones and laps.

Lot Essay

The goneostat appears very old, not of Holtzapffel's usual style, but unlikely to be of amateur construction.

More from Scientific and Medical Instruments & Other Apparatus

View All