Adcock and Shipley 1E Miller (sometimes found branded Bridgeport) including 1ESL, 1LSL, 1EG, 1ES, 1ESG, 1EAH, EJ and AH types (and others, the various suffixes indicating the particular drive system fitted to the table with some of these being "factory specials"): Maintenance and Operator's Instruction Manual with Electrical Diagrams. Includes a Technical Sales and Specification and Accessories Catalogue.
Another version of the 1E was supplied with the head from a Bridgeport Series 1 milling machine. If yours is like that, the manual below is the one to order.