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DK1945C
(en)
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Electric Measuring Instrument.
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CH16956A
(en)
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Tracé instrument
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DK1776C
(en)
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Mechanical Musical Instrument.
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ES22828A1
(en)
|
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An instrument to measure.
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CH17733A
(en)
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Perspector-pantograph
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ES24432A1
(en)
|
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Electrical meter improvements.
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ES25671A1
(en)
|
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Improvements in electrical measuring devices.
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CH18541A
(en)
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Electric clockwork
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CH17191A
(en)
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Measuring tool
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ES23521A1
(en)
|
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Improvements in electric meters.
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CH17184A
(en)
|
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Hour meter (hour meter)
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CH18707A
(en)
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Electrical measuring device
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CH16692A
(en)
|
|
Chain-jumper
|
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CA62896A
(en)
|
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Electrical measuring instrument
|
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ES23163A1
(en)
|
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Improvements in the manufacture of electrical resistances.
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CH17840A
(en)
|
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Illustrated map
|
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CH17586A
(en)
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Electricity meter
|
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CH17835A
(en)
|
|
Electricity meter
|
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CH20790A
(en)
|
|
Electric meter
|
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CH17623A
(en)
|
|
Telautograph
|
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CH18331A
(en)
|
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Heater-calorifer
|
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CH17321A
(en)
|
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Faßpichapparat
|
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CH17495A
(en)
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|
Riflemen
|
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CH16816A
(en)
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Tonsureuse-razor
|
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CH16695A
(en)
|
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Ausrück-Kupplung
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