CH39745A
(en )
1908-04-16
Device for the calibration of alternating current measuring devices
CH42608A
(en )
1909-02-16
Device for obtaining approximately constant direct current from an alternating current source
CH40922A
(en )
1908-09-01
Current transformer for several measuring ranges
FR382810A
(en )
1908-02-17
Nautical indicator device
FR395036A
(en )
1909-02-08
Weighing instrument
CH40322A
(en )
1908-07-01
Device for the evaporation of liquids
CH41547A
(en )
1908-11-02
Device for taking measured quantities of soap powder
CH41690A
(en )
1908-11-16
Carrying device
CH37634A
(en )
1907-07-15
Device for the calibration of electrical measuring instruments by means of self-regulating load resistances
FR374399A
(en )
1907-06-11
Device for calibrating measuring devices for alternating currents
FR377200A
(en )
1907-08-30
Apparatus for measuring fabrics
FR377309A
(en )
1907-09-04
Counter for measuring instruments
FR379965A
(en )
1907-11-26
Adjustable voltage or intensity transformer
CH34137A
(en )
1906-03-15
Measuring device
FR376955A
(en )
1907-08-26
Advanced advertising device
FR385571A
(en )
1908-05-16
Device for measuring site angles
CH39946A
(en )
1908-05-16
Device for measuring angles
FR387230A
(en )
1908-07-03
Rescue device
FR389939A
(en )
1908-09-22
Rescue device
FR379982A
(en )
1907-11-26
Rescue device
CH42122A
(en )
1908-12-16
Rescue device
CH47669A
(en )
1910-07-16
Foot measuring device
CA106730A
(en )
1907-07-30
Liquid measuring device
FR379126A
(en )
1907-10-25
Warning device
CH25775A
(en )
1903-10-31
Measuring device