Specification for bevel protractors (mechanical and optical). (22nd May 1951)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 1951
• Extent: 1 online resource (10 pages)
• Subjects: 602.1841; Graduations; Protractors; Marking; Optical instruments; Precision; Angular measurement; Verniers; Mechanical measurement
• Languages: English
• Related ISBNs: 0580324354
• ISSNs: 0006-9863
• 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.