Catalogue Number: 2234
Grolman Fitting System
Sub-Category: Equipment, spectacle & lens making
Designer/inventor: Bernard Grolman
Year Of Publication/Manufacture: c1970
Time Period: 1940 to 1999
Place Of Publication/Manufacture: USA
Publisher/Manufacturer: American Optical
Description Of Item: An apparatus to accurately measure and fit multifocal spectacle lenses to an individual's frame. Made of brown and clear plastic and metal, calibrated screw fittings allow measurements of monocular PD's and heights. Fitting rings indicate diameter of lens blank required. Impressed behind brow bar 'AO American Optical USA Model 12617'. In brown hinged case lined with fawn satin.Outside case has gold lettering 'GROLMAN FITTING SYSTEM'. Also 2 small rubber spare parts in envelope. Case: 220mm W x 130mm D x 48mm H.
Historical Significance: This is an early device used to fit American Optical's 'Ultra View' lenses (their entry into the progressive lens market c1970). Ref: Am J Optom & Archives of American Academy of optometry; Vol 46, No 11, Nov 1969 'An analogue device for lens fitting' Bernard Grolman, American Optical Corporation, Southbridge, Massachusetts, USA.
How Acquired: Purchased by Kett Museum
Date Acquired: July 2013
Location: Archive room. West wall. Unit 4 Drawer 3