Dibrugarh district personal grant from Dr. John Berry White after he retired as the civil surgeon of Lakhimpur district. The medical school, "John Berry White Medical School" was set up in 1900 at Dibrugarh, and thus this premier institute started its history, and marked a new era in education. Assam Medical College has the pride of having the first Radiology department in India, as in 1910 two X-Ray machine (One 10MA and another 15MA) was bought from England, only 15 years after the discovery of X-Rays by Professor Wilhelm Conrad Roentgen in 1895-96. These two were the first X-Ray machines in India.
Invention (musical composition) Bach adapted and modified the form to what is considered to be a formal invention. Bach wrote 15 inventions (BWV 772–786) as exercises for his son, Wilhelm Friedemann Bach. Bach later wrote a set of 15 three-part inventions, called sinfonias (BWV 787–801). Invention (musical composition) In music, an invention is a short composition (usually for a keyboard instrument) with two-part counterpoint. (Compositions in the same style as an invention but using three-part counterpoint are known as "sinfonias." Some modern publishers call them "three-part inventions" to avoid confusion with symphonies.) Well-known are the fifteen inventions that make up the first half