CH40491A
(en )
1908-07-16
Device for measuring areas using electrical resistance spirals
CH39946A
(en )
1908-05-16
Device for measuring angles
CH39160A
(en )
1908-02-01
Spirit level with device for measuring angles
CH39945A
(en )
1908-05-16
Scale for measuring clearances
CH40337A
(en )
1908-07-01
Device for measuring fluids in lines
FR353429A
(en )
1905-09-11
Apparatus for testing electrical resistances
CH44385A
(en )
1909-08-02
Device for suspending electrical measuring devices
CH29473A
(en )
1904-08-31
Device for measuring the depth of clockspring housings
CH30904A
(en )
1905-02-28
Device for measuring tissues
FR370519A
(en )
1907-02-11
Electrical measuring device
CH40207A
(en )
1908-06-01
Electric measuring instrument
CH35992A
(en )
1906-11-15
Electrical resistance apparatus
FR367983A
(en )
1906-11-14
Advanced training in electrical measuring instruments
CH35129A
(en )
1906-07-15
Device for measuring the depth of clockspring housings
FR354982A
(en )
1905-10-19
Electrical measuring device
AT40115B
(en )
1909-12-10
Device for taking measurements.
FR332055A
(en )
1903-10-15
Advanced training in electrical measuring devices
FR377200A
(en )
1907-08-30
Apparatus for measuring fabrics
FR385571A
(en )
1908-05-16
Device for measuring site angles
CH39745A
(en )
1908-04-16
Device for the calibration of alternating current measuring devices
CH37916A
(en )
1907-08-15
Measuring device on tissues
FR9716E
(en )
1909-01-13
Apparatus for measuring electric currents
FR7658E
(en )
1907-09-17
Apparatus for measuring electric currents
FR371752A
(en )
1907-03-15
Apparatus for measuring electric currents
FR377852A
(en )
1907-09-18
Current heated wire electric measuring device