San Francisco : Architect and Engineer, Inc · leaf 307
angerous substance for industrial use.Meanwhile conditions have changed. During thewar years the use of toluene has increased re-markably, substituting for benzene. It is less dan-gerous than benzene since it has a high boilingpoint and thus evaporates freely. The concentra-tion of free toluene… … 44-PASSENGER DOUGLAS SKYMASTER in flight Housing for the S ky m a s t e r s By CLIFFORD SMART, EngineerThe Austin Company The speed and efficiency of the postwar aerialage are imposing a challenge to architects andengineers who design the ground facilities for theair lines. An example is the new…
Architecture · Building
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