tripod mount for Holland circle
Date: circa 1670
Inventory Number: DW0674b
Classification: Mount
Dimensions:4.6 x 15.1 x 7.6 cm (1 13/16 x 5 15/16 x 3 in.)
Description:
A ball-and-socket joint used for mounting the Holland circle on a tripod. There is one heart-shaped screw to tighten the ball in socket; the other screw is to tighten the mount on the tripod.