Physical description

.1 - Book - 20 pages + light grey cover, side stapled, issued by the British Engineering Standards Committee, British Standard Specification for "Keys and Keyways". Dated April 1918. Has standard Number 46-1909. Provides materials specification, testing and an index.
.2 - Book - 16 pages + light grey cover, cotton stitched on side, issued by the British Engineering Standards Association, British Standard Specification for "BS Fine Bolts, Hexagon Bolts, Set Screws, Nuts, split-pins, washers and studs". Dated Feb. 1925. Has standard Number 191-1924. Provides materials specification, tables, and an index.
.3 - Book - 8 pages + light grey cover, cotton stitched on the side, issued by the British Engineering Standards Association, British Standard Specification for "Identification colors for Engine Room Piping". Dated May 1929. Has standard Number 3011-1924. Provides index and colours of piping to be used and Identification.
.4 - Book - 16 pages + light grey cover, cotton stitched on side, issued by the British Engineering Standards Association, British Standard Specification for "BS Whitworth Bolts, Hexagon Bolts, Set Screws, Nuts, split-pins, washers and studs". Dated Feb. 1925. Has standard Number 190-1924. Provides materials specification, tables, and an index.

Inscriptions & markings

.1 has the stamp of the "Tait Book Co. 90 William St. Melbourne" on the lower edge and in the top right corner, the ESCo Ballarat company stamp.
.2 - has the stamp of the Standard Association of Australia, endorsing the document as an Australian Standard, B49-1932, and has the ESCo Ballarat company stamp with dated 17 April 1934.
.3 - has the stamp of the Standard Association of Australia, endorsing the document as an Australian Standard, F1 - 1931, the label of "J. Ewins & Sons, Booksellers, Ballarat on the lower left-hand corner of the cover and the name "R. S. Coy"? in pencil on the top right-hand corner.
.4 - has the stamp of the Standard Association of Australia, endorsing the document as an Australian Standard, B48-1932 and has the ESCo Ballarat company stamp with dated 17 April 1934.