SYKES Gear Generating Machinery. Early Full-range Catalogue
SYKES Gear Generating Machinery. Early Full-range Cataloguetest timer giving useful details of the following models: 1a, 2c, 3c, 4c, 5c and V.10.
Dowding and Doll V10 Manual
Dowding and Doll V10 Gear Hobbing Machine. Instruction Book. Includes a copy of the maker's Technical Sales and Specification sheet.