Pupillary Distance (PD) Rule and Pantoscopic Tilt Measure
 Catalogue Number: 3478 Pupillary Distance (PD) Rule and Pantoscopic Tilt Measure Category: Equipment Sub-Category: PD ruler, pupillometer Corporation: Martin Wells Year Of Publication/Manufacture: c 1990 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Milan, Italy Publisher/Manufacturer: Cellograf Simp SpA Description Of Item: Flat White flexible T shaped plastic rule 155 mm x 85 mm with centimetre scale in millimetre graduations and the words Martin Wells on both faces. The bottom of the cross bar of the T is angled at 5 degrees on one side and 10 degrees on the other. one face also has graduations in 2 mm steps for frame bridge measurement and the words Cellograf Simp S.p.A - Via Maffucci 18 - Milano imprinted. Historical Significance: A promotional spectacle dispensing and fitting aid distributed by Martin Wells an Australian spectacle frame manufacturer founded in the 1950s. It closed in 1998. How Acquired: Donated by Colin Bates Date Acquired: 5-6-2017 Condition: Good Location: Archive office. East wall shelves unit 3. Drawer 10 |