SUNDERLAND GEAR PLANERS: All Sunderland models worked in the same way and the Compnay published one excellent general guide together with a limited number of model-specific manuals for other types. Comprehensive 210-page Operator's Instruction Manual and catalogue. Detailed information on: principles of operation for cutting spur, spiral and double helical gears; reference tables and formulae (includes a note about Mold's ratios and demonstrates how to calculate them); operating functions of machines with care and adjustment instructions; testing gears, etc.
Manuals and Catalogues
Sunderland Model 27S Gear Planer for spur gears. Operator's Instruction Manual.
Sunderland G150 Gear Generator. Operator's Instruction and Maintenance Manual.
Sunderland Gear Planers: Very detailed Sales & Technical Specification Catalogue with an explanation of the Sunderland gear-generation system.
SUNDERLAND GEAR PLANERS: Very detailed Sales & Technical Specification Catalogue with an explanation of the Sunderland gear-generation system. 55 pages.