Romance of
章节目录
共 19 段- But when a Hertzian wave flying through the ether strikes th
- As fast as the sensitised paper strip is covered with the mo
- “Another wonder is now promised us--an invention purely mech
- Mr. Poulsen has made an instrument of a different type to be
- Up to the middle of last century our soldiers were armed wit
- The days of hand-to-hand fighting have passed, the mêlée in
- We next enter the division in which the gun cradles and moun
- Mr. Orling’s torpedo acts throughout in a cruelly calculatin
- American ingenuity has produced an absolutely unique craft t
- To secure forty-six negatives per second Edison invented a s
- At the end of almost a year the polishing was finished, afte
- We press Sol into our service when we burn fuel; our wind-mi
- _Historical._--It is impossible to discover who made the fir
- Whether steam will eventually get the upper hand of the petr
- Since rapid transit is as much a matter of commercial import
- The steam entering the chest from the boiler at a pressure o
- Maxim next turned his attention to the construction of the a
- The keyboard has a formidable appearance. It contains 225 ke
- But probably from the difficulty of procuring oil, lamps fel