242 CURTA MODEL II CALCULATOR

318 OSCILLOSCOPE, PHILIPS, GM 5655

360 INDUCTION COIL, MEDICAL (G. GAIFFE, PARIS)

363 VALVE DISPLAY 1920-1940

364 STUDIOLOG SLIDE RULE (Aristo-Werke, Dennert and Pape KG)

435 RESISTOR, 10 OHM (Robt. W. Paul Instrument Co.)

373 ARITHMOMETRE (L. Payen, Paris)

096 RESISTANCE BOX (Leeds and Northrup)

151 MAGNETRON (S.T.C. Ltd)

322 BUBBLE SEXTANT