W. H. SIMMONS, B.Sc. (Lond.), F.C.S. - The handbook of soap manufacture - 4 - W. H. Simmons; H. A. Appleton

The handbook of soap manufacture
W. H. Simmons; H. A. Appleton

SOAP MANUFACTURE AND

W. H. SIMMONS, B.Sc. (Lond.), F.C.S.