INTRODUCTION TO BOWL MILLS BHEL HYDERABAD
INTRODUCTION TO BOWL MILLS: ... In 1919 at combustion Engineering, Raymond Mill was developed. The early mills were built with maximum capacity of 6 tons per hour. By 1930 the maximum capability of this mill design had been increased to 15 and then to 25 tons per hour. ... Upto 1978 the Bowl Mills were manufactured at BHELTiruchirapalli.