Unified screw threads (with metric equivalents)
standard by BSI Group, 06/23/1949

Timber ladders
standard by BSI Group, 08/14/1943

Specification. Intrinsically-safe transformers primarily for bell-signalling circuits
standard by BSI Group, 12/31/1956

Power driven circulators for heating plants
standard by BSI Group, 08/15/1947

Notched bar tests-Method for precision determinations of Charpy V-notch impact energies for metals
standard by BSI Group, 02/28/1990

Methods for analysis and testing of coal and coke-Moisture, volatile matter and ash in the analysis sample of coke
standard by BSI Group, 12/31/1980

Book sizes and dating of books
standard by BSI Group, 10/20/1947

Universal Decimal Classification. Second English full edition-Applied sciences in general. Inventions and discoveries
standard by BSI Group, 12/29/1978

Methods for the analysis of iron and steel . Sulpher in in iron and steel gravimetric
standard by BSI Group, 08/18/1966

Cartridge fuse links for use in plugs
standard by BSI Group, 07/13/1953