CH72846A
(en )
1916-07-01
Instrument for measuring the distance of an aircraft in flight
FR533423A
(en )
1922-03-02
Instrument intended for measuring the fatigue of aircraft wings
CH57199A
(en )
1912-12-16
Propulsion device for aircraft of all kinds
CH81142A
(en )
1919-05-16
Precision measuring instrument
CA180077A
(en )
1917-10-30
Gauging and measuring instrument
FR902571A
(en )
1945-09-04
Micrometric measuring instrument
FR481942A
(en )
1917-01-31
Improvements in micrometric measurements
FR505365A
(en )
1920-07-29
Improvements in dividing and other compasses and similar measuring instruments
CH55393A
(en )
1912-09-02
Measuring tool
FR475858A
(en )
1915-06-21
Measuring and plotting instrument
FR486360A
(en )
1918-03-28
Electrical measuring instruments
CH227371A
(en )
1943-06-15
Procedure for measuring aircraft distance from the airfield.
CH81634A
(en )
1919-07-01
Device for measuring or regulating the speed of flowing media
FR493110A
(en )
1919-07-31
Measuring systems
FR499378A
(en )
1920-02-10
Improvements in precision measuring instruments, such as writing micrometers, gauges and the like
FR594461A
(en )
1925-09-14
Measuring compass
ES67536A1
(en )
1918-09-01
Improvements in level and ruler measuring instruments.
FR498242A
(en )
1920-01-06
Advanced Pilot Indicator and Bombing Rise for Aircraft and Airplanes
CH54350A
(en )
1912-05-17
Precision measuring device for bores
GB191497A
(en )
1923-01-17
Improvements relating to apparatus for the accurate gauging or measurement of small lengths
FR493257A
(en )
1919-08-05
Aircraft speed and drift indicator
CH77355A
(en )
1918-09-02
Device for limiting the filling in the measuring vessel of filling systems
CH61468A
(en )
1913-09-16
Device for measuring fractions of a millimeter
CH80988A
(en )
1919-07-16
Fixing board for meters and other measuring instruments
FR24275E
(en )
1922-05-02
Measuring tool