FR951306A
(en )
1949-10-21
Chi-ray method and apparatus for measuring and testing
FR537231A
(en )
1922-05-18
Method and apparatus for measuring physical quantities by means of a viscous body
FR632304A
(en )
1928-01-07
Method and devices for measuring distances by means of electromagnetic waves
FR659470A
(en )
1929-06-28
Method and device for measuring distances by means of electromagnetic waves
FR612231A
(en )
1926-10-19
Method and apparatus for oriented transmission and reception by means of electric waves
FR590200A
(en )
1925-06-12
Method and device for measuring a quantity proportional to an integral
FR644926A
(en )
1928-10-16
Apparatus for said "thirty and forty" game and method of using this apparatus for said game
FR613282A
(en )
1926-11-13
Method and device for measuring the instantaneous flow rate of a fluid
FR29551E
(en )
1925-08-27
Method and apparatus for cartographic rendering by means of photographs
FR582850A
(en )
1924-12-29
Method and apparatus for cartographic rendering by means of photographs
FR526908A
(en )
1921-10-15
Apparatus and method for relief painting
FR550856A
(en )
1923-03-22
Method and device for measuring distances using pulses of sound
FR560716A
(en )
1923-10-09
Method and apparatus for measuring distances
FR551991A
(en )
1923-04-18
Method and device for measuring the degree of opacity of substances
FR665337A
(en )
1929-09-17
Method and devices for measuring distances by means of electromagnetic waves
FR525719A
(en )
1921-09-27
Device for measuring linear and angular displacements and velocities
FR597922A
(en )
1925-12-02
Method and apparatus for continuous rectification of acetic acid
FR554635A
(en )
1923-06-14
Method and apparatus for heterochromic photometric measurements
FR526814A
(en )
1921-10-14
Method and apparatus for the precise measurement of the velocities of bodies in rectilinear motion
FR915656A
(en )
1946-11-14
Apparatus for practicing and teaching correct strokes in the game of golf
FR539752A
(en )
1922-06-30
Method and device for the transformation of mechanical working forms by means of a viscous body
FR1111824A
(en )
1956-03-05
Method and device for measuring thicknesses by means of ultrasonic oscillations
FR538031A
(en )
1922-06-02
Method and apparatus for the distillation of sulfur
FR542460A
(en )
1922-08-12
Device for measuring the shortening of crippled feet
FR936447A
(en )
1948-07-20
Method and apparatus for measuring resistance to rotation of a wheel of a vehicle