CH28675A
(en )
1904-06-15
Apparatus for precise energy measurement for three-phase systems with any load
CH28026A
(en )
1904-03-15
Apparatus for automatically indicating the stops for vehicles on electric railways
CH32360A
(en )
1905-07-15
Device for voltage regulation for alternating current
CH29061A
(en )
1904-07-15
Axle with bearing for electrical measuring instruments
CH23392A
(en )
1902-07-15
Regulating device for turbines
DK5628C
(en )
1903-05-04
Apparatus for Measuring Liquids.
CH23933A
(en )
1902-10-15
Electricity meter for three-phase current
FR329454A
(en )
1903-07-30
New compensated galvanometer system for measuring electrical currents
CH29457A
(en )
1904-08-31
Apparatus for determining the increase in boiling point
CH28234A
(en )
1904-04-15
Speed measuring device for vehicles
CH30086A
(en )
1904-11-15
Price meters for electricity
CH37634A
(en )
1907-07-15
Device for the calibration of electrical measuring instruments by means of self-regulating load resistances
FR337918A
(en )
1904-05-03
Baudson system ruler for checking the installation of rails and other uses
CH24983A
(en )
1903-03-15
Rust-protecting device for furnaces
AT21077B
(en )
1905-08-25
Circuit device for keeping the voltage constant in a power distribution system.
FI2093A
(en )
1903-12-10
Sätt att sterilisera mjölk jämte därför avsedd apparat
CH27409A
(en )
1904-01-15
Apparatus for testing bearing lubricating oil
AT25973B
(en )
1906-10-10
Switching device for AC systems.
CH27740A
(en )
1904-02-15
Insulator for conductor systems
GB190318575A
(en )
1903-10-01
An Improved Egg Tester
FR337379A
(en )
1904-04-05
AC meter
AT20761B
(en )
1905-07-25
Trolley with weighing device.
CH25775A
(en )
1903-10-31
Measuring device
FI2054A
(en )
1903-08-25
Measuring device
AT25297B
(en )
1906-08-10
Friction compensation for ac measuring devices.