Early mechanism used for indexing the carriage along the bed
2-speed gear arrangement inside the headstock
View inside the headstock showing the 2-speed gear and dog-clutch assembly
Early-pattern dog clutch - the engagement leaver appears to have been supported in a bolt-on housing
The full nut that engaged with the leadscrew was in cast iron
Plan view of the compound slide assembly
The Whitworth-form cross and top-feed screws were left entirely unprotected
Final design of tailstock with much-improved spindle
Early tailstock. The spindle was nothing more than a length of threaded rod that terminated in a short plain section with a No. 1 Morse taper. A proper eccentric clamp and permanently-attached hand lever locked the unit to the bed