CH62167A
(en )
1913-11-01
Device for testing flour by means of the water sample
CH49772A
(en )
1911-03-16
Device for testing eggs
CH56987A
(en )
1912-12-02
Device for closing drains
CH63170A
(en )
1914-01-16
Device for the automatic taking of samples
CH57088A
(en )
1912-12-16
Device for measuring the concentration of color solutions
CH83322A
(en )
1919-12-01
Device for measuring linear quantities
CH57969A
(en )
1913-02-17
Device for closing ovens
AT109121B
(en )
1928-03-26
Device and method for determining the wear and frictional resistance of test specimens.
CH60339A
(en )
1913-07-01
Apparatus for indicating the nature of the atmosphere
FR503711A
(en )
1920-06-16
Improvements to devices for testing the hardness of materials
DK30731C
(en )
1922-11-20
Apparatus for measuring the surface height of a liquid.
DK31874C
(en )
1923-06-18
Apparatus for Measuring the Density of Liquids.
CH76091A
(en )
1917-11-01
Device for churning
CH50938A
(en )
1911-07-17
Device for attaching the handle of devices
CH82697A
(en )
1919-11-01
Apparatus for measuring the pulse volume
CH66180A
(en )
1914-08-17
Device for indicating the movement of liquids in lines
CH60687A
(en )
1913-08-01
Device for closing ovens
AT104633B
(en )
1926-11-10
Device for gasifying liquid air for the operation of compressed air engines.
CH76574A
(en )
1918-01-16
Apparatus for testing eggs
CH62390A
(en )
1913-11-17
Device for measuring small time intervals
CH61696A
(en )
1913-10-16
Apparatus for the electrolysis of water
CH59027A
(en )
1913-04-16
Device for the optional operation of apparatus
CH59143A
(en )
1913-04-16
Device for keeping the covering of vibrating sieves open
CH57338A
(en )
1913-01-02
Device for investigating the composition of liquids by means of gas evolution
CH63171A
(en )
1914-01-02
Device for mechanical reading of calculated values