The main instrument used in Ragtime was the piano,. The most well known Ragtime pianist, and composer for the piano, was Scott Joplin. However, the music was and could be played by a wide variety of...
A model aeroplane is used for presentations and testing. Model planes are also used for fun. They are used model-plane clubs, aeroplane company headquarters and studios. (Bedroom, in my house)
They were used in the first world war in submarines. The are used now also for submarines and also war tanks. The outer coating of the periscope for the submarines were firm and waterproof for...