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GB398383A
|
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Improved arrangements for controlling motors in electric traction systems
|
|
GB402708A
|
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Improved arrangements for controlling motors in electric traction systems with rheostaic braking
|
|
GB402709A
|
|
Improved arrangements for controlling motors in electric traction systems
|
|
GB385196A
|
|
Improvements in and relating to valve mechanism for internal combustion engines
|
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GB374819A
|
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Elastic wheel for vehicles running on rails and for other uses
|
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US2012369A
|
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Resilient wheel for rail vehicles
|
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GB378287A
|
|
Series parallel control of compound wound motors for electric traction with regenerative braking
|
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DE601433C
|
|
Method for controlling electric motors with compound excitation
|
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GB364553A
|
|
System of electric traction utilizing compound motors
|
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US1905428A
|
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Electric traction system employing compound motors
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