I believe this is an early UFA, universal feed arm machine or models 29 or 29-1. The wood rod from pedal to flywheel is broken. The lever that spins the walking foot changing direction moves freely also. Other than that No further testing was done. The item "EARLY SINGER UFA, 29,29-1 Industrial Leather SEWING MACHINE treadle Boot Patcher" is in sale since Thursday, February 18, 2021.This item is in the category "Antiques\Sewing (Pre-1930)\Sewing Machines". The seller is "slatebeltsalvagetony" and is located in Bangor, Pennsylvania. This item can't be shipped, the buyer must pick up the item.