Edwin Harrington, Son & Co. illustrated catalog of machine tools

NO. 5 MULTIPLE DRILL.

Designed more especially for drilling side frames for locomotive engines and steel boiler plates, but is well adapted to a wide range of other general work. Is fitted with two or any required number of sliding spindle heads, having a lateral range of 17 feet from centre to centre of spindles, and forward and back movement, at right angles, on sliding horizontal arm, of 10 inches (more if desired), thus enabling holes to be drilled in line or otherwise. Capacity top of table under drill spindle, 32 inches; floor to top of table, 32 inches; column to centre of drill spindle, 22 inches, or more, according to length of sliding arm; column to front of table, 18 inches; top surface of table, 14 inches by 18 feet 4 inches; front or vertical surface, 25 inches deep by 18 feet 4 inches; "T" slots on both top and vertical surfaces for clamping work; vertical traverse of spindles, 12 inches; spindles balanced by weight attached direct to top of spindle; quick return by wheel and rack; automatic gear feed suitable for drilling or boring; each head has perfectly independent universal movement and independent feed, also independent friction for stopping and starting; steel spindles. All gearing is cut. Floor space, 48 inches by 18 feet 8 inches long; total height top of spindles, 9 feet. Counter-pulleys, 24 x 5½ inches, to run 288 turns per minute.

Shipping weight, 19,000 lbs. 3 spindles, $
Per extra spindle head, $
Automatic pump for lubricant with waste channels and supply tank, $
Boxing for foreign shipment, $