Engraving depicting a sectional view of a steam-heated brick boiler used in soap making. The steam passes through a spiral coiled pipe at the bottom of the boiler. Liquids were drawn off through pipe (d). Dated 19th century 01/02/1870

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Creative#:

TOP29618993

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

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Not Available

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Not Available

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No

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