Create your own Venn Diagrams at ClassTools.net

PREMIUM LOGIN

ClassTools Premium membership gives access to all templates, no advertisements, personal branding and many other benefits!
 

Username:    
Password:    
Submit Cancel

 

Not a member?

JOIN NOW!

 
SHARE NEW EDIT

Air-Blowing

1850
faster process of iron smelting.
powered by fire and oxygen.
inexpensive steel.

telegraph

1830-1844
invented by samual morse.
transported messages.

 

 

telephone

1876
communication became faster.

invented by males.
different purposes got faster.

boath have patents. both invented by males.

communucation.
invented by males.
small.

invented by males. all made up of matter.

Inventions of the IR