I The absorption of carbon mono-oxide by gas masks is quite a problem. a#39;If the air ... The Platt FuguerAc lighthouse in the sea off the northeast coast of Guernsey is operated by a submarine cable a mile and one-quarter in length. It lies a mile ... There is a pressure gauge on shore which gives warning when there is only two weeksa#39; supply of acetylene in the tank. There is ... It is estimated that if 250 pounds sterling had been spent on the engine it might have been run for another century.
|Title||:||Everyday Engineering Magazine|