Catalogue Number: 4324 Bausch & Lomb Portex round glass lens in packet Category: Spectacles and lenses Sub-Category: Spectacle lenses Corporation: Bausch & Lomb Optical Co. Time Period: 1900 to 1939 Place Of Publication/Manufacture: U.S.A. Publisher/Manufacturer: Bausch & Lomb Description Of Item: Glass Portex lens 46 mm dia. round, Packet marked' BAUSCH & LOMB / SPHERO CYLINDER' (altered from 'PLANO CYLINDER CX'). Printed below is '42 mm SQUARE / PORTEX / STANDARD THICKNESS / OPHTHALMIC LENSES / MADE IN U.S.A'. B 29 11 / -.25 +1.50 stamped on packet How Acquired: Donated by Elizabeth Hatfield Date Acquired: 14/06/2017 Condition: Excellent, but lens in packet different to label Location: Documents Room Green Daytona Cabinet Drawer 4 |