Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 29
te, by admitting the air that supports combustion. The whole construction is enclosed in a solid mass of brickwork, and an iron bar A is built in over the air-way in front of the bed-plate, and resting on the walls forming the sides of the air-way, to ac':f.';'r;:;ia^;:.K:i::^a:i:£a:;-a:^^;:a;:?D^…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
