(1) _The DOALL machine._ This machine (fig. 23) is used for contour metal sawing, filing, and polishing. It is a highly adaptable machine tool for jig work and for making dies. It does the work of a shaper or milling machine and replaces such operations as nibbling, drilling holes to make a cut, and torch cutting. Twenty assorted saws, 3/32 to 1/2 inches wide; three flat filebands, 1/4-inch, 3/8-inch, and 1/2-inch; and three file guides are standard equipment. The machine is equipped with a 3/4-hp, 208-volt, 3-phase, 60-cycle motor. (2) _Toolroom lathe._ The 10-inch toolroom lathe (fig. 24) has a 4-1/2-foot bed and 1-inch collet capacity. It is driven by an underneath, 3/4-hp, 3-phase, 60-cycle motor. It is equipped with collet, milling and keyway-cutting, and telescopic-taper attachments, boring and turning cutters, fine and coarse diamond knurls, tool holders, and a large and small face plate. (3) _Extension-bed gap lathe._ (_a_) This 20-by 40-inch gap lathe has a 14-foot bed and a special, large face plate. With the gap closed, it is used as a regular engine lathe. (See fig. 25.) (_b_) The tools and accessories for the lathe include telescoping taper attachment, boring and cutting bars, end caps, bits, chucks, and centers. Also, there is a set of metric thread-cutting gears for use where the metric system is standard. The lathe is driven by a 7-1/2 hp, 3-phase, 60-cycle motor. (4) _Engine lathe._ The 16-by 54-inch engine lathe (fig. 26) also can be equipped with special threads including metric, by using special gearing in the endworks. It is driven by a 3-phase, 60-cycle, 208-volt motor and is equipped with telescoping taper attachments, boring bars, cutters, bits, chucks, tool holders, and metric thread-cutting gears. [Illustration: _Figure 17. Windlass for handling bow anchors._] (5) _Shaper._ (_a_) This 24-inch universal shaper is used for facing surfaces, notching, keyseating, and the production of flat surfaces on small parts. (See fig. 27.) (_b_) The shaper is equipped with bits, holders, table, vise, and wrench set, and is driven by a 208-volt, 3-phase, 60-cycle motor. (6) _Radial drill._ (_a_) The radial drill has a 4-foot arm, 11-inch column, and 12 spindle speeds. (See fig. 28.) It has a range of 15 to 1,200 rpm and is driven by a 5-hp, 208-volt, 3-phase motor. (_b_) The drilling capacity of this machine is approximately 2-inches diameter in cast iron and 1-1/2-inches diameter in steel. Its tapping capacity is a 2-inch tap in cast iron and 1-1/2-inch tap in steel. (_c_) Its accessories include a coolant attachment, universal drill table, drill vise, chuck, and taper shank. (7) _Milling machine._ The milling machine is used for gear cutting and jig and die work. The work is done with cutters instead of by sawing as the DOALL machine does. It is equipped with a 208-volt, 3-phase, 60-phase motor and has slotting and milling attachments, chucks, vise, arbors and adapters, and a complete set of cutters. (See fig. 29.)