Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 122
ose of causing an exti'a current of at top is fitted a tin or copper chimney air to pass over the plates. It is better 3 ft. high, in which burns a Silber lamp, to confine the plates as much as possible giving a good draught, and draw- Fig. 75. ing a large quantity of air r>3^ through. Inside the… … to the 2 middle shelves, as there they Fir. . 71. are sure to be safe. At c is a sketch showing how the door of the box should be rebated into the side. = England's drying closet, Fig. 75, is —. -™ — „— , J ^ simply a light-proof box with wires r .- r«- -^ !q^^ a -^ 1 OOOH- stretched across the…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
