FR787721A
(en )
1935-09-27
Measuring device
FR738779A
(en )
1932-12-29
Rectilinear measuring device
FI19231A
(en )
1942-09-15
Angle measuring device for both field measurement and map work
CH195987A
(en )
1938-02-28
Measuring and marking device.
FI19965A
(en )
1944-03-10
Angle measuring device for compasses
FR829821A
(en )
1938-07-07
Radio device for measuring angles
FR832599A
(en )
1938-09-29
Electrical measuring instruments
FR832785A
(en )
1938-10-03
Instrument for measuring angles
FR844883A
(en )
1939-08-03
Measuring device
FR822555A
(en )
1938-01-04
Advanced training in manometric measuring devices
FR836085A
(en )
1939-01-10
Improvements to sextants and similar instruments for measuring angles
FR835754A
(en )
1938-12-30
Measuring or adjusting device
FI20939A
(en )
1945-12-10
Angle measuring device for both field measurement and map work
FI19997A
(en )
1943-12-31
Angle measuring device for use in connection with topographic maps
FR762687A
(en )
1934-04-16
Improvement in devices for measuring angles and distances
FR871496A
(en )
1942-04-27
Angle measuring instrument
FR738834A
(en )
1932-12-30
Measuring tool
FR822244A
(en )
1937-12-23
Measuring device for jackets and vests
FR863913A
(en )
1941-04-12
Improvements in electrical measuring devices
FR847860A
(en )
1939-10-18
Measuring device for hygrometers, hygrostats or similar measuring devices
FI16121A
(en )
1934-10-12
Angle measuring device for compass
FR806430A
(en )
1936-12-16
Device for measuring and plotting angles
FR844711A
(en )
1939-07-31
Improvements in indicator instruments
FR49454E
(en )
1939-05-01
Radio device for measuring bearings
AU105434B2
(en )
1938-10-20
Improvements in and relating to apparatus for measuring distances and indicating routes on maps or charts