Universal safety standards: a reference book of rules, drawings, tables, formulae, data suggestions for use of architects, engineers, superintendents, foremen, inspectors, mechanics and students
Universal Safety Standards Pub. Co., 1914 - Health & Fitness - 312 pages
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adjusting stock approved safe type automatic locking device barred against passage boiler box of approved Chuck clamps clutch lever completely enclosed Cone pulley belt control located convenient controlled by switch convenient to operator Counterweight crane drill press vise Driving belt enclosed on edges equipped with automatic equipped with drill extend through guard feet from floor fifteen 15 guard with provision guarded as shown guarded to height height of six hoist JERV/CE BUREAU ladders Ladle lever to extend limit stop loose pulley belt Machine Belt Driven Machine Motor Driven motor exposing rotating openings in motor Pages pipe point of operation power driven gears properly secure stock provision for adjusting pulley belt shifter rotating or live Safety drill sockets safety type shaft guard shifter or clutch Spindle starting box stationary band guard stock when drilling stringers switch and starting Tight and loose Tool top of weight twelve 12 Underwriters Laboratories wheel