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pebble tester
MANUFACTURING AND DISPENSING EQUIPMENT
pebble tester; polariscope
Dixon Salt, John
Europe: United Kingdom, England, West Sussex, Worthing
2014
plastic; polarised film
overall: 41 mm x 90 mm x 25 mm

Home-made pebble tester consisting of two square pieces of dark grey polarised film on either end of a flexible white plastic tweezer-style handle.


2014.311

Gift of Mr John Dixon Salt, FCOptom, 2014



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