Patent drawing - Davison patent drawing - . Public domain image

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Patent drawing - Davison patent drawing - . Public domain image

description

Summary

Cleaning Apparatus for Swimming Pools and the like

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Tags

patent drawings
pool cleaners
inventions
date_range

Date

29/11/1912
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Source

Wikimedia Commons
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Link

http://commons.wikimedia.org/
copyright

Copyright info

public domain

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