I rescued a rusty "Oldak" high-speed drill from a skip a few years ago.
It was missing the three-speed motor pulley and the drive belt (turned out to be a "Y" section , 6.2mm wide). Also the motor would only start with some manual encouragement.
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I made a new pulley from Tufnol, and by happenchance had an identical NiB Jacobs 1/4" MT chuck in my collection of
useful stuff.
The drill is unusual in that the quill is fixed, and the small cast-iron table moves up and down, operated by a lever and with spring return. For some reason this arrangement gives you a greater sense of control when drilling very small holes.
John