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H. Tinsley & Co., 1929
细节
Drysdale's Stroboscopic Tuning Fork
H. Tinsley & Co., 1929
the 13-inch tuning fork on painted cast iron base housed in glazed wooden case with electrical terminals to side -- with maker's instructions and folding blueprint diagram
21½ x 9½ x 11in. (55 x 24 x 28.5cm.)
H. Tinsley & Co., 1929
the 13-inch tuning fork on painted cast iron base housed in glazed wooden case with electrical terminals to side -- with maker's instructions and folding blueprint diagram
21½ x 9½ x 11in. (55 x 24 x 28.5cm.)
注意事项
This lot is offered without reserve.