Falls No.1, 3 & 5 eggbeater drills
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No.1 eggbeater drill; third example.
Type 2 - plain,
short handle, no crank, and 56/14 gear ratio.
Two-jaw chuck carries
August 14, 1877, patent date.
The main &
pinion gears on this example are worn out;
and someone has
added an extended crank.