Spectacle lenses. Specifications for progressive power semi-finished lens blanks Part 5, (15th September 1992)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 1992
• Extent: 1 online resource (12 pages)
• Subjects: 602.1841; Ophthalmic equipment; Test equipment; Spectacles (eyeglasses); Dimensional tolerances; Semi-finished products; Ophthalmology; Lenses; Focal length measurement; Tolerances (measurement); Blanks; Focal length; Optical measurement; Testing conditions; Marking; Visual inspection (testing); Spectacle lenses
• Languages: English
• Related ISBNs: 058021172X
• ISSNs: 0027-9417
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.