Boxford lathe Tumble Reverse Gear Early Models
This gear is for all Models prior to Serial Serial No. 11-13513 - the introduction of the Mk.2 Models that have a single lever on top of the headstock to engage the backgears. 32 teeth and a 14.5-degree pressure angle. Made in the correct grade of cast iron - we have sold these gears for over 30 years.
For later models (the Mk. 2 AUD, BUD and CUD) with a 21-degree pressure angle see here.