Set of eight tuning forks, Unknown maker, 1935-1950
1935-1950
Tinsley & Co electrically main
Set of eight tuning forks
1860-1900
Mounted tuning fork
Mounted tuning fork
Exposed tuning fork sustained magnetically with driving coil
Mounted tuning fork
Tuning fork 'A'
60 Cycle Tuning Fork
Mounted tuning fork
Tuning fork
1701-1900
Tuning fork with chamois case
Mounted tuning fork
Tuning fork
Tuning fork
