Falls No.1, 3 & 5 eggbeater drills
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No.1 eggbeater drill;
Type 9 - The no-springs
three-jaw chuck no longer carries any patent information. Instead,
the crank is now stamped with the Star logo.
The model number
"No1" is stamped on the straight-sided crank rather than on
the outside of the spindle housing, which is no longer machined.