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Revolution Counter, with five discs

Model of hand-driven intermittent opposite direction rotary motion apparatus

1857

Roberts lathe part

1817-1823

Roberts lathe accessories

1817-1823

Roberts lathe part

1817-1823

Roberts lathe part

1817-1823

Roberts lathe part

1817-1823

Roberts lathe part

1817-1823

Treadle operated ornamental lathe

1817-1823

Skew-Bevel wheels

Cast iron segmental planing specimen

1860

Model of hand-driven intermittent opposite direction rotary motion apparatus

1857

Roberts lathe accessories

1817-1823

Roberts lathe part

1817-1823

Roberts lathe accessories

1817-1823

Roberts lathe part

1817-1823

Roberts lathe part

1817-1823
Normal drill for drilling the frame plates of watches.

Normal drill for drilling the frame plates of watches

Original planing machine for metals by Richard Roberts, 1817

Planing machine

1817
Two specimens of helical planing in bronze

Two specimens of helical planing in bronze

Original slide lathe, with separate lathe screw nut and two hex bolts, by Richard Roberts, Manchester, Lancashire, England, 1817

Richard Roberts' Original slide lathe, with separate lathe screw nut and two hex bolts

1817
[Drawing of escapements for clocks] / Richd. Roberts. 1851. [Line drawing with colour wash. Shows 'Detached crank-escapement', 'Detached pin wheel escap[ement]', and one other. Bears name 'Richd. Roberts, Patentee, Globe Works, Manchester'. Relates to patent 12,207 of July 1848?]

Drawing of escapements for clocks

1851
Components of normal drill for drilling the frame plates of watches, by Richard Roberts, Manchester.

Drill Components

pre-1851