[Letter] 1901 Nov 2, 58 Holland Park, London W.[to] Ellice Clerk / Joseph W. Swan, [reporting on a visit to the N.E. Wiring Company where he saw the Nernst lamp. They have sold 50 or 60 lamps at 30 and 40 shillings each. Feels they offer more competition to the arc lamp than the incandescent lamp. 4p. on 1 leaf]
