Unusually for a lathe of this era the leadscrew was equipped with a large diameter micrometer dial.  A pet hate of the writer is the means of locking the tailstock barrel; as the components wear locking becomes gradually harder until that fatal day when the casting is broken off. In this case if the designer had made the slot three times longer and moved the clamp back (as on many smaller and older Schaublin lathes)  things would have been improved