Bengal Industries Department Bulletin, No 54 Soap making: purification of oils and fats and utilization of the last traces of alkali in the spent lye. R L Datta & T Basu. 1932
Bengal Industries Department Bulletin, No 53 Soap making: a new method of saponification in a strongly caustic medium. R L Datta, T Basu & P K Ghose. 1932
Bengal Industries Department Bulletin, No 60 Oil of nahor seed and its application in the manufacture of grained soap. R L Datta, T Basu & P K Ghose. 1933
List of Patents Granted, 1856-1879 Consolidated list; 1880-April 1891; Alphabetical Index to Applications for Exclusive Privilege in respect to Inventions, 1888-1891.
Scope & Content:
List of Patents Quarterly. Half-yearly 1888-90; Alphabetical Index: Annual to 1890, then quarterly