Historians like to assign definite dates to mark the occurrence of significant events. This is not quite so easy to do in science and technology as it is in, says, politics.
When one studies the birth and evolution of notable achieve- ments in either theoretical or applied science a great deal of fuzzy logic is encountered in attempts to date the sudden emergence of the event, and more ‘originators’, inventors, discoverers, and improvers are usually in- involved than given deserved credit.
Moreover, there are inevitably earlier workers in the field who laid down the basic intellectual tools for demon- strable ideas and devices.
- Electric-Motor Generalities
- Practical Aspects of Dc Motors
- Practical Aspects of Ac Motors
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