CRYSTAL LAKE Precision Bench Universal Grinder (USA). Unusually small and finely-made precision machine. Sales & Technical Specification Catalogue circa 1930s/1940s. 6 pages + letter from maker.
Precision Grinding "Workshop Precision Grinding" by Churchill. The definitive book covering: cylindrical, centerless, internal, surface together with useful pointers on the design and operation of grinding machines including: grinding spindles, internal spindles, workheads, universal workheads, tailstocks, selection and use of wheels, operation and maintenance, etc.
Grinding for Engineering Craftsmen
Detailed coverage of all aspects of workshop grinding techniques.
Safety
Planning the job
Selecting the wheel
Mounting the wheel
Balancing the wheel
Workholding - cylindrical, internal and surface work
Workholding for tool and cutter grinding
Surface grinding operations