Detective disc recording machine
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| Detective disc recording machine | |
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| Manufacturer | Augustus Stroh |
| Production years | c. 1892 |
| Production location | (unknown) |
The machine was built by Augustus Stroh in about 1892. The name suggests that it could be used for covert recording, though the frequent attention it would need counts against the idea. The wax disc is driven by clockwork at slow speed to allow up to 20 minutes to be recorded. The machine could be used for recording while being carried, the flap over the recording horn being left open. Another aperture enabled the operator to check how much space was left on the disc. A second box contains spare wax discs, recording cutters and listening tubes. The quality of manufacture is superb, akin to instrument-making, and it is probable that Stroh made just this one machine for experimental purposes only.
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[edit] In the Science Museum's Records
Inv. No: 1980-1473 Source: Purchased