[1945]. Adjustable rack for any fixing, secured by a staple bolt.

[1946]. Adjustment for a spiral torsion spring to regulate its tension.

[1947]. Callipers with fine adjustment by a taper screw, tapped into a hole in the split leg, so that the taper screw springs open the slit and thus extends the opening of the calliper legs.

[1948]. Adjusting pawl and head for adjusting the tension or compression of a torsion spring, which is fixed to the spindle.

[1949]. Screw adjustment for rollers to maintain parallelism.

[Larger plate.]

[1950]. Adjustment for expanding a split borer, reamer or rose bit, with micrometer graduation.

[1951]. Screw adjustment for a lever.

[1952]. Adjustable centre pin, traversed by a screw, and fixed after adjustment by a nut and washer.