This antique ratcheting spiral screw driver dates back to about 1920'S. Wording on the solid brass carriage is:
"YANKEE No. 30A"
"NORTH BROS. MFG. CO."
"PHILA. PA. USA."
"PAT. DEC. 11.23"
"MADE IN"
"UNITED STATES OF AMERICA"
Length without the common bit is 10.5" closed and 16" open. Ratcheting mechanism works freely in the clockwise and counter-clockwise directions... it's functional.
Interested parties please call Tom at 717-763-574eight.