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SIP -- Atelier de grattage, 1955.

jCandlish

Titanium
Joined
Jun 1, 2011
Location
Oberaargau, Swizerland
RPI_SIPChat.At1951.Grattage.jpg


Atelier de grattage, vers 1960.

RPI_SIP-ChatGrattage3.jpg


More here ==> Recensement architectural du canton de Geneve

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It's a collimator. Following the link to the original page has a longer description, which Google kindly translated for me.

"Scratching workshop, circa 1955. On the first, scratching a slide of a post and checking with a collimator the flatness of a table slide"
 








 
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