Lot 140
140
A Railway tube with mica wheel, by W. & J. GEORGE & BECKER Ltd. on oak stand - 11in wide; with a double bulb Hittorf tube on stand (2)

Details
A Railway tube with mica wheel, by W. & J. GEORGE & BECKER Ltd. on oak stand - 11in wide; with a double bulb Hittorf tube on stand (2)

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