Between about 1933 and 1935, A. W. Redin & Son Machine Co. made heavily built sensitive drilling machines. We have been only able to find a few small articles about their machines, and have not found any announcements of company founding or dissolution.

Information Sources

• 1934 McCoy's Rockford City Directory, page 129: "Redin Andrew W (Cordelia E) (A W Redin & Son Mach Co), r 210 S Gardiner av."
• 1934 issue of American Machinist (Volume 78 page 489).

  Redin No. 200 Sensitive Bench Drill—Another sensitive drill with a rolling-wedge transmission has been built by A. W. Redin & Son Machine Co., 1846 Eighteenth Ave., Rockford, Ill. This No. 200 drill has eight speeds ranging from 395 to 3,700 r.p.m., in geometrical progression. The capacity ranges from 0 to 5/16 in. in cast iron. Speeds are easily obtained by quick-shift levers. The base has a working surface of 240 sq.in., and has a large bearing on the column.

• 1934 issue of Modern Machine Shop (Volume 7 page 174).

  Bench Drill—A bench drill with a capacity of 3/8-inch in cast iron has been brought out by the A. W. Redin & Son Machine Co., Rockford, Ill. The drill is of the usual Redin design, with some added features. The drill is powered by a built-in two-speed 4 h.p. motor, power being transmitted to the spindle by means of the Redin rolling wedge transmission. No belts or gears are used with the Redin transmission.