Watt's end measuring machine
1776
Maudslay 's Lord Chancellor bench micrometer
1805
0" to 4" micrometer
Miniature micrometer by Borletti of Milan in a small pocket
Micrometer, brass, steel
"0-2" Bench Micrometer
1944
Six early micrometers for the microscope
Pocket sheet metal gauge
1878-1867 (design)
4" - 8" micrometer
circa 1960
Automatic micrometer
1850-1900
'Micrometer' mechanism
1920-1939
digital readout micrometer
1893
Differential Screw Micrometer, 1801-1811
1801-1811
Differential Screw Micrometer and case
1801-1811
bench micrometer
1881
frame micrometer
1826-1894
Bench micrometer
circa 1900
Dial Micrometer
1960
Whitworth Measuring Machine
1889
Micrometer
1930
digital L.C.D. micrometer
circa 1981
Brass micrometer type gauge comparator.
micrometer
micrometer
micrometer
micrometer
micrometer
Bench Micrometer by Armstrong Whitworth & Co.
1920
Micrometer Caliper
1900
Slocomb digital micrometer
1920-1939
Direct digital display micrometer made by Brown and Sharpe
1922-1928
Micrometer in wooden case
1913-1929
Bench micrometer made by Joseph Whitworth and Co.
1883
Adjustable square
circa 1960
Original workshop micrometer
1884
Clockmaker's screw micrometer, by Gustav Horstmann
1856
Bench type micrometer for rolling mill gauging
1901
Internal micrometer by S.B.Allport, 1875
1875
Experimental micrometer using Ayrton-Perry magnifying spring to read to 1/20
earliest 1909
Ring measuring micrometer set
circa 1910
Micrometer test object, made by Nobert
G. Jackson's micrometer
Electrically indicating micrometer hair hygrometer, 1924
1924
"Micrometer" test reading mirror for visual examination of microtitre plates
Measuring micrometer made by Adam Hilger Ltd, 1939
1939
Automatic micrometer
Apparatus for both direct measurement
1876
A differential screw micrometer reading in metric unit
1876
Bench micrometer made by Joseph Whitworth and Company Limited
1889
bench micrometer
circa 1882