A barograph, with lacquered-brass, clockwork mechanism, vacuum-chamber and recording stylus, in bevel-glazed mahogany case with drawer in base containing spare charts -- 15in.(38cm.)wide

Details
A barograph, with lacquered-brass, clockwork mechanism, vacuum-chamber and recording stylus, in bevel-glazed mahogany case with drawer in base containing spare charts -- 15in.(38cm.)wide
Further details
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