Details
A black-enamelled and lacquered-brass spectrometer,
by Philip Harris & Co., with silvered scales and vernier, in fitted case -- 12¾in. (32.5cm.) wide; a collection of mahogany-cased Constantan coils by W.G. Pye & Co. and others, and a Post Office resistance box by the same maker (A Lot)
by Philip Harris & Co., with silvered scales and vernier, in fitted case -- 12¾in. (32.5cm.) wide; a collection of mahogany-cased Constantan coils by W.G. Pye & Co. and others, and a Post Office resistance box by the same maker (A Lot)