Stanley No. 2101A Yankee Style Bell System 8" Bit Brace Hand Drill
* It features a crank-shaped brace that rotates a bit for drilling. * The chuck holds the drill bits, and pinion gears increase the speed. * It's designed for drilling pilot holes up to 1/4 diameter. * The model shown is specifically a Bell System variant, likely used by telephone workers. * Proper technique involves keeping the drill square to the workpiece to prevent wobbling or breakage.