Underwood 3 and 4 Bank* Standard Portable Ribbon Spool Thumb Screws F*S no google Manual or Auto Tuning: The

Manual or Auto Tuning: The Grundig Executive Traveler III offers manual and auto tuning

palm tree frost protection etc)

the film is placed onto sprockets with snap guides

This was somehow separated when I sold my windsurfing gear 20 years ago

A manual is included which explains how to use the calculator

Underwood 3 and 4 Bank* Standard Portable Ribbon Spool Thumb Screws F*S no google Manual or Auto Tuning: TheThis sale is for two (2) brand new replacement thumbscrews to secure the ribbon spools on your Underwood 3 and 4 bank typewriters, they are necessary to secure the ribbons on their spindles otherwise when you carry the typewriters the ribbons fall out in the case. These thumbscrews will fit both the Underwood Standard Portable 3 and 4 Bank typewriters, they have a mat black finish and nicely complement the black ribbon spools and your Underwood's