Maudslay 's Lord Chancellor bench micrometer
1805
Micrometer, brass, steel
Direct digital display micrometer made by Brown and Sharpe
1922-1928
Micrometer in wooden case
1913-1929
Automatic micrometer
1850-1900
Six early micrometers for the microscope
Pocket sheet metal gauge
1878-1867 (design)
Micrometer Caliper
1900
digital L.C.D. micrometer
circa 1981
Slocomb digital micrometer
1920-1939
Miniature micrometer by Borletti of Milan in a small pocket
'Micrometer' mechanism
1920-1939
Brass micrometer type gauge comparator.
micrometer
micrometer
micrometer
micrometer
micrometer
Dial Micrometer
1960
Differential Screw Micrometer and case
1801-1811
bench micrometer
1881
frame micrometer
1826-1894
"0-2" Bench Micrometer
1944
digital readout micrometer
1893
4" - 8" micrometer
circa 1960
0" to 4" micrometer
Differential Screw Micrometer, 1801-1811
1801-1811
Micrometer
1930
Watt's end measuring machine
1776
Whitworth Measuring Machine
1889
Bench micrometer
circa 1900
Bench Micrometer by Armstrong Whitworth & Co.
1920
Micrometer
Automatic micrometer
Automatic Micrometer
1910-1940
micrometer
micrometer
micrometer
micrometer
micrometer
micrometer
micrometer
Electrically indicating micrometer hair hygrometer, 1924
1924
micrometer
circa 1890
Original workshop micrometer
1884
Apparatus for both direct measurement
1876
Internal micrometer by S.B.Allport, 1875
1875
Experimental micrometer using Ayrton-Perry magnifying spring to read to 1/20
earliest 1909
A differential screw micrometer reading in metric unit
1876
