Which describes German engineer Charles William Siemens's best-known innovation?

A.
the first practical internal combustion engine

B.
a device to send wireless signals through the air

C.
an instrument to detect icebergs using echoes

D.
a process for making steel in a gas furnace

Question

Which describes German engineer Charles William Siemens's best-known innovation?	
 
 A.
the first practical internal combustion engine
 
 B.
a device to send wireless signals through the air
 
 C.
an instrument to detect icebergs using echoes
 
 D.
a process for making steel in a gas furnace

anonymous · Answer

My dad works at a company called Siemens lol…

anonymous · Answer

http://www.britannica.com/EBchecked/topic/543273/Sir-William-Siemens here… I hope this helps…

anonymous · Answer

@ManImStumped @DollyAcquah