Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 126
Desiccating — Air-ovens, 114 ing to each tube), as closely as possible made to fit the sash were prepared and fitthicr to the surface of the outer cylin- set upon legs to raise them above ground. Holes were cut at the front near the der, but remaininc; slightly distant from the ends of the tubes.… … that the hottest the escape of the heated air and vapour. layer should be near the outside, and Such appliances answered a very good that the intervals between the walls purpose, and are often used to save tho should admit as little excess of air as surplus fruit of a small farm for domestic…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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