Walter Tool & Cutter Grinders. A comprehensive, well-illustrated 76-page all-models catalogue showing details of the machines design and construction and giving the full technical specifications for the Type 20, 20AY, 20AZ, 30AY, 30AZ, 30CY, 30CZ, 30QC, 40CY, 40CZ, 40CQ, 50CY, 50CZ, 50CQ,  UWS20, UWS30, UWS30CQ, UWS40, UWS50, Copytronic-501, Helitronic NC and full deta

Ingersoll-Rand Type 30 Compressors. Repair Parts as Exploded-component Drawings.

INGERSOLL-Rand Type 30 Compressors. Instruction Manual with Installation, Pre-start Checks and Lubrication, Operation and adjustment, How to Regulate and a comprehensive Maintenance Section
and many useful sectional drawings.