Vintage 1949 Black and Decker 3/4" Standard (Monster) Drill Disassembly

I disassembled and cleaned my old Black and Decker 3/4" Standard Drill, and since I didn't find any documentation of it's guts online, I decided to just add that. Stuff I forgot to add to the video: Bearings: Forward rotor bearing (gearbox side): Hoffmann N2579 Back rotor bearing (brush side): Hoffmann N2167 2x Taper roller bearings (on spindle from chuck to gearbox): Timken 09081S Brush size: Brushes 1/2" wide, 1/4" deep and about 3/8" long - Circle on end about 5/16" to 3/8" wide - Tail about 1.5" long or in european measurements: Brushes 12,65mm wide, 6,2mm deep, about 9mm thickness left when I got the drill - End cap can accommodate up to 9mm wide circular contact point - Spring 4cm long