CH74239A
(en )
1917-02-01
Device for measuring and calculating electrical consumption
CH70783A
(en )
1915-11-01
Device for measuring the electrical current
CH82918A
(en )
1919-11-01
Device for measuring the electrical current
CH83069A
(en )
1919-11-01
Device for measuring the electrical current
CH67491A
(en )
1914-12-16
Apparatus for measuring body temperature
FR540117A
(en )
1922-07-05
Improvements in consumption measuring devices
FR526491A
(en )
1921-10-08
Measuring device for measuring the quotient of two electrical quantities
CH68205A
(en )
1915-03-16
Electrical measuring device
CH66602A
(en )
1914-09-16
Device for measuring the change in chest size during breathing exercises
CH67448A
(en )
1914-12-16
Device for measuring the amount of heat contained in the air
FR481942A
(en )
1917-01-31
Improvements in micrometric measurements
CH71600A
(en )
1916-01-17
Counter for measuring devices
AT71540B
(en )
1916-04-10
Device for measuring shirts.
CH66180A
(en )
1914-08-17
Device for indicating the movement of liquids in lines
CH70373A
(en )
1915-09-16
Suspension device for electricity meters, measuring instruments and the like
CH62390A
(en )
1913-11-17
Device for measuring small time intervals
FR452896A
(en )
1913-05-24
Measuring device
CH83322A
(en )
1919-12-01
Device for measuring linear quantities
CH73151A
(en )
1916-08-16
Self-payment and registration device for consumption meters
AT75291B
(en )
1919-01-25
Device for measuring the temperature of glowing bodies.
CH67146A
(en )
1914-11-02
Ball bearings for electricity meters, measuring instruments and the like
CH72238A
(en )
1916-04-17
Device for determining the central position of the contact wires to the tracks in electric railways
CH70301A
(en )
1915-09-16
Thermoelectric measuring device
CH57088A
(en )
1912-12-16
Device for measuring the concentration of color solutions
NL1032C
(en )
1916-01-15
Electrical measuring instrument