showing how coal, gas, electricity and water are produced and distributed. How telephones, clocks, radio sets, domestic appliances and safety devices work. How transport systems are operated. How cinema films are projected and gramophone records made text enk London Odhams press limited 1944 monographic eng

print

320 p. : ill. ; 23 cm. Engineering Technology 500 EVE 44051261 20161208111321.0 1603618