Pressed steel cars
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Article
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1900
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Elsevier Science
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English
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In <~rdcr to bc szzcc~-ssfi:llv :>cd f~,r the produckio:i of ;:rtificia] sill:, it is found that the collodion must be :dlow, d t(~ ~'age'' for accrtain period of time, Jhe rca~on of whi,.'h has m)t lmcn defimtcly s:'~tX'd ; ]:o~x::vcr, it is certain that the c<,llo:lion, o:~ b:iH~4 alh>wc, l to sta