Landis Universal & Cylindrical Grinding Machines Types 1, 1 1/2, 2, 3, 4 (1920 and 1930s Models) Operator's Instruction, Maintenance and Spares Parts Book.

Colchester Student, Master and Dominion Lathes Mk 1 and "Mk. 1½" (and other versions, by Clausing the 13 x 24 and 13 x 36 etc). Round-headstock model but with either a "sliding-lever" on the apron that lifts into either one of two slots to engage the power feeds - or with a single, centrally-mounted round control lever. The differences between Mk.