Specification for school chalks. (31st December 1958)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 1958
• Extent: 1 online resource (8 pages)
• Subjects: 602.1841; Weight (mass); Dimensions; Chalks; Size; Strength of materials; Educational equipment; Length; Breaking load; Stationery; Packaging; Hardness; Diameter
• Languages: English
• ISSNs: 1005-5350
• 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.