Whitworth standard wire gauge
1869 to 1897
Micrometer type mechanical comparator
1855
internal and external gauges
1835-1865
Homogeneous metal made by Whitworth and Co.
before 1889
Whitworth Lathe Components
Whitworth Measuring Machine
1889
3/4" screwing tap spanner
1850-1857
Whitworth Screw stock taps
1850-1857
Pitch tie up attachment to hold gauge to check screw pitch dimensions before and after screw reversal
3 spanners 7/16"
Bar of steel manufactured by Whitworth and Co., marked W.Y.4, worked up into a turning tool
before 1889
Machine Parts made by Joseph Whitworth and Company Limited
Box of Standardised Screw Threads
Box of Gauges with Spanners and a Tool Piece
Bench micrometer made by Joseph Whitworth and Company Limited
1889
Lockable case for Bench micrometer made by Joseph Whitworth and Co.
1883
Bench micrometer made by Joseph Whitworth and Co.
1883
J. Whitworth & Co. Lathe
circa 1876
Four screwing tap sets: 1/2", 5/8", 3/4", and 1"; for nut fastener manufacture
1850-1857
Three screw die sets: 1/2", 5/8" and 1", with three pieces per set, for bolt manufacture
1850-1857
Whitworth pitch-measuring machine, 1902
1902
Engraving of Whitworth's planning machine
1839
Whitworth's workshop length measuring machine for measuring to an accuracy of 1/40
1871
Engraving, of Joseph Whitworth's lathe
1835
Adjustable die wrench
1850-1857
7/8"screw die in three parts, for bolt manufacture
1850-1857
James Cocker's patent decimal gauge (micrometer) from his original patent of 1857 no. 1680
earliest 1857
Gauge (24'') in Wooden Case
Tap & Die Set
Whitworth measuring machine in glass case with 2 'V' plates
Red metal steel manufactured in 1876 by Whitworth and Co.
before 1889
Whitworth screwing machine, 1849
1849
Three tap wrenches: 7/16", 1/2" and 5/8" across square
1850-1857
Parts for Whitworth measuring machine
Whitworth 5" lathe, 1843
Wooden box for James Cocker's patent decimal gauge (micrometer)
earliest 1857
Patent Self Acting Boring and Drilling Machine
1833-57
Whitworth lathe
Whitworth end measuring machine
1897
Measuring Machine
1871
Early Whitworth 6" lathe
decimal micrometer
1857
Flat Bed Knitting Machine
1846