( spring ref 3731A 20mm x 0.65mm x 3,500mm 1/8" L Hub/eye). Good quality BRITISH Manufacture. When in use springs should be lubricated with graphited grease if available or molygrease.
HMV , Gramophone spring 12047E 1" Eye/eye 9ft for HMV , Columbia Garrard etc
Garrard 20 motor gramophone spring also others Thorens , Decca , Pailliard etc
Garrard Super Motor spring 1" Hub/Eye 16ft also Garrard 10A , 50 etc ref 3529D
HMV , Gramophone spring 12047B 1" Eye/Hub 9ft for HMV 101 other , Columbia etc
Gramophone spring 3529 1" Eye/Hub 14ft for HMV 102 some 101s 104s etc
HMV / Victor Gramophone spring 32mm (1 1/4") eye/hub 3575A for early gramophones