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241399 - J S Crapper - 11 May 1870 - Scientific equipment
 
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241399 - J S Crapper - 11 May 1870 -  Scientific equipment

Annotation
J S Crapper Ornamental Porcelain mounted Nitrous Oxide Wash Bottles & condenser. NB the mounts marked 1&2 the ornamental design for the mounts only [sic].

Notes
This apparatus was for use in the cleaning of the anaesthetic gas, nitrous oxide, used by dentists.

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