The biggest river flowing into the Sea is the Indus River. The Arabian Sea has two important branches â the Gulf of Aden in the southwest, connecting with the Red Sea through the strait of Bab-el-Mandeb; and the Gulf of Oman to the northwest, connecting with the Persian Gulf.There are also the gulfs of Khambhat and Kutch on the Indian coast.rabian Sea from space. The Arabian Sea's surface area is about 3,862,000 km 2 (1,491,130 sq mi). The maximum width of the Sea is approximately 2,400 km (1,490 mi), and its maximum depth is 4,652 metres (15,262 ft).
In 1886, Graham Bell and Charles Sumner Tainter founded the American Graphophone Company to distribute and sell graphophones in the US and Canada under license from the Volta Graphophone Company. In 1890, the American Graphophone Company stopped production of new phonographs due to sagging orders.
The American luthier Orville Gibson specialized in mandolins, and is credited with creating the archtop guitar. The important 20th Century American luthiers John D'Angelico and Jimmy D'Aquisto made archtop guitars.he purported inventor of the violin is Andrea Amati. Amati was originally a lute maker but turned to the new instrument form of violin in the mid 16th century. He was the progenitor of the famous Amati family of luthiers active in Cremona, Italy until the 18th century. Andrea Amati had two sons.