US1277130A
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Change-speed gear.
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GB112480A
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Improvements in or relating to Change-speed Gear.
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CA160626A
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Variable speed mechanism
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US1179659A
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Variable-speed mechanism.
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GB191328815A
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Improvements in or relating to Variable-speed Mechanism.
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GB191314010A
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Improvements in or relating to Variable-speed Mechanism.
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CA134575A
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Trip mechanism
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US1043629A
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Variable-speed mechanism.
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GB191013079A
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Improved Cam Mechanism specially applicable for Controlling Variable-speed Gearing.
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GB191009059A
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Improvements in Variable Speed Driving Mechanism.
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GB190908297A
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An Improved Taxameter, specially adapted for use in Combination with an Excess-speed Indicator or Alarm
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GB190802714A
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Improvements in and relating to Speed Indicators for Motor Cars and other Vehicles.
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US912736A
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Variable-speed driving mechanism.
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US882968A
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Variable-speed driving mechanism.
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GB190716661A
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Improvements in Variable Speed-driving Mechanism.
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GB190716105A
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Improvements in Variable Speed Driving Mechanism
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US833974A
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Variable-speed driving mechanism.
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US825759A
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Variable-speed driving mechanism.
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US825075A
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Speed-indicator for motor-cars and other vehicles.
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GB190506680A
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Improvements in Variable Speed Driving Mechanism.
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