Specification for filters, cover lenses and backing lenses for use during welding and similar operations. (30th June 1989)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 1989
• Extent: 1 online resource (14 pages)
• Subjects: 602.1841; Filters (eye protectors); Transmittance; Performance; Water-vapour tests; Dimensions; Covers; Selection; Ultraviolet radiation; Classification systems; Optical properties of materials; Heating tests; Protective clothing; Homogeneity; Strength of materials; Environmental testing; Welding; Eye protectors; Focal length; Performance testing; Lenses; Marking
• Languages: English
• Related ISBNs: 0580172988
• ISSNs: 0019-6003
• 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.