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When electricity was really in its infancy
Forscher - Funker - Ingenieure : aus acht Jahrzehnten drahtloser Nachrichtentechnik
The service history of ester-based fluids used in railway transformers
From sails to satellites : the origin and development of navigational science
Malaria in Nineteenth-Century Bombay
A Sixteenth-Century Code for Physicians
The electric car : development and future of battery, hybrid and fuel-cell cars