test machine
LMGLM:1989.66
Summary: test machine, old, to test light-tightness of piston rings, used at Wellworthy and Co, Lymington, Lymington and Pennington, Hampshire
Description
Summary: test machine, old, to test light-tightness of piston rings, used at Wellworthy and Co, Lymington, Lymington and Pennington, Hampshire