CH20941A
(en )
1901-04-30
Instrument for measuring the work of a three-phase system
CH16027A
(en )
1898-09-15
Arrangement for measuring the work of a three-phase system
CH21719A
(en )
1901-09-15
New instrument for drawing and measuring angles
CH22696A
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1902-03-15
Measuring instrument for reading distance on maps
FR381290A
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1908-01-07
Stand-up sighting instrument for measuring angular altitudes
GB190102066A
(en )
1901-03-09
Improvements in or relating to Calipers or Measuring or Gauging Instruments
CA66969A
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1900-04-10
Lumber measuring instrument
CH28933A
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1904-06-30
Device for measuring amounts of liquid
CH14359A
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1897-12-31
Tool for precision measurements
CH50383A
(en )
1911-05-16
Field measuring instrument useful for leveling
CH17983A
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1899-09-30
Instrument for measuring alternating currents
CH17981A
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1899-09-30
Instrument for measuring alternating currents
CH22853A
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1902-04-15
Optical instrument for the determination of irregularities in the nature of the atmosphere
CH21462A
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1901-07-31
Device for attaching compass inserts
CH31463A
(en )
1905-04-15
Measuring tool
CH20105A
(en )
1900-11-30
Counter for liquid meters
CH20372A
(en )
1901-01-31
Liquid meter
CH27310A
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1903-12-31
Precision instrument for plotting lengths
CH35349A
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1906-08-15
Measuring tool
CH7955A
(en )
1894-07-31
New device for measuring time
CA58905A
(en )
1898-02-03
Measuring instrument
CH14060A
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1897-09-30
Tenants indicator for buildings
FR396245A
(en )
1909-04-05
Optical instrument for measuring distances
FR361328A
(en )
1906-06-15
Apparatus for measuring x-rays and other similar radiations
GB190005142A
(en )
1900-12-22
An Improved Calculating Apparatus for Ascertaining the Section of Beams, Girders, Columns, and the like.