The J.P.V.S horizontal Denbigh miller was one of the company's smallest models and fitted exclusively with lever longitudinal feed to the 19" x 6" table. The feed range from side to side was 8.75 inches, across 4.375 inches - and 7.5 inches vertically.
The drive system was arranged in two stages - first by a two-step pulley from a 1.5 hp 3-phase 960 rpm motor to a countershaft, then by an infinitely-variable speed unit, which used expanding and contracting pulleys, to give a range from 220 to 1600 rpm.
The No. 3 Morse taper spindle was in 3% nickel-chrome steel and ran in pre-loaded "double-purpose" (thrust and radial load) ball bearings. The 1-inch diameter cutter-holding mandrel (arbor) was supported by a stout 3-inch diameter overarm. Both a non-quill feed vertical hand and a slotting attachment were available.