Bench micrometer made by Joseph Whitworth and Co.
1883
Micrometer type mechanical comparator
1855
Whitworth standard wire gauge
1869 to 1897
Whitworth Measuring Machine
1889
Bench micrometer made by Joseph Whitworth and Company Limited
1889
Whitworth Screw stock taps
1850-1857
internal and external gauges
1835-1865
Whitworth pitch-measuring machine, 1902
1902
Whitworth Lathe Components
Box of Standardised Screw Threads
Machine Parts made by Joseph Whitworth and Company Limited
Homogeneous metal made by Whitworth and Co.
before 1889
Lockable case for Bench micrometer made by Joseph Whitworth and Co.
1883
Two of five (8",12") distance gauges (end gauges)
1860-1895
Bar of steel manufactured by Whitworth and Co., marked W.Y.4, worked up into a turning tool
before 1889
Box of Gauges with Spanners and a Tool Piece
3/4" screwing tap spanner
1850-1857
3 spanners 7/16"
Pitch tie up attachment to hold gauge to check screw pitch dimensions before and after screw reversal
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
James Cocker's patent decimal gauge (micrometer) from his original patent of 1857 no. 1680
earliest 1857
Engraving, of Joseph Whitworth's lathe
1835
Engraving of Whitworth's planning machine
1839
Three of five (1",2",4") distance gauges (end gauges)
1860-1895
Screw plate
Adjustable die wrench
1850-1857
7/8"screw die in three parts, for bolt manufacture
1850-1857
Whitworth's workshop length measuring machine for measuring to an accuracy of 1/40
1871
Flat Bed Knitting Machine
1846
Whitworth measuring machine in glass case with 2 'V' plates
decimal micrometer
1857
Whitworth lathe
Wooden box for James Cocker's patent decimal gauge (micrometer)
earliest 1857
Red metal steel manufactured in 1876 by Whitworth and Co.
before 1889