Watt's end measuring machine
1776
Maudslay 's Lord Chancellor bench micrometer
1805
"Micrometer" test reading mirror for visual examination of microtitre plates
Braille Micrometer
1955-1965
Whitworth Measuring Machine
1889
Automatic micrometer
1850-1900
Bench micrometer made by Joseph Whitworth and Co.
1883
Clockmaker's screw micrometer, by Gustav Horstmann
1856
"0-2" Bench Micrometer
1944
Pocket sheet metal gauge
1878-1867 (design)
Adjustable square
circa 1960
Bench micrometer made by Joseph Whitworth and Company Limited
1889
Automatic Micrometer
1910-1940
Slocomb digital micrometer
1920-1939
Miniature micrometer by Borletti of Milan in a small pocket
0" to 4" micrometer
Micrometer Caliper
1900
Bench micrometer
circa 1900
frame micrometer
1826-1894
digital readout micrometer
1893
Automatic micrometer
Bench type micrometer for rolling mill gauging
1901
micrometer
circa 1890
micrometer
Frame micrometer no. 30 by Troughton and Simms
1826-1894
Brass micrometer type gauge comparator.
micrometer
micrometer
micrometer
micrometer
micrometer
Micrometer, brass, steel
Direct digital display micrometer made by Brown and Sharpe
1922-1928
Micrometer in wooden case
1913-1929
Six early micrometers for the microscope
4" - 8" micrometer
circa 1960
Micrometer
1930
'Micrometer' mechanism
1920-1939
Bench Micrometer by Armstrong Whitworth & Co.
1920
digital L.C.D. micrometer
circa 1981
Dial Micrometer
1960
Differential Screw Micrometer and case
1801-1811
bench micrometer
1881
Differential Screw Micrometer, 1801-1811
1801-1811
Micrometer
Micrometer
1930-1950
Electrically indicating micrometer hair hygrometer, 1924
1924
Original workshop micrometer
1884
Apparatus for both direct measurement
1876
Internal micrometer by S.B.Allport, 1875
1875