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 - Engineering Industry Training Board. 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