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BS 1937:1953 Specification for engineers' ratchet braces and drilling pillars
BS 1936-1:1952 Undercuts and runouts for screw threads - Inch screw threads
BS 1906:1952 Specification for hose couplings (air and water) ($9B in. to 1$9D in. nominal sizes)
BS 1794:1952 Specification for chart ranges for temperature recording instruments
BS 1842:1952 Specification for double-ended open-jawed spanners for B.A. hexagon sizes
BS 978-2:1952 Specification for fine pitch gears - Cycloidal type gears
BS 978-3:1952 Specification for fine pitch gears - Bevel gears
BS 46-3:1951 Keys and keyways and taper pins - Specification for solid and split taper pins for general engineering purposes
BS 1802:1951 (R2013) Specification for steel spring washers general engineering and automobile purposes partTitleEN sectionTitleEN
BS 1769:1951 Specification. Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series
BS G 133:1951 Specification for electro-magnetic indicators for extra low voltage aircraft systems