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Contents: March 1921, Volume 19, Issue 92

L. J. Spencer
Identity of Trechmann's ‘β-tin’ with Stannous Sulphide
Mineralogical Magazine 1921 19 : 113-123. [Abstract] [PDF]
H. H. Thomas and A. F. Hallimond
A Refractometer for the Determination of Liquid Mixtures
Mineralogical Magazine 1921 19 : 124-129. [Abstract] [PDF]
W. Alfred Richardson
A Method of Constructing Rock-Analysis Diagrams on a Statistical Basis
Mineralogical Magazine 1921 19 : 130-136. [Abstract] [PDF]
W. W. Watts, John W. Evans, J. Vincent Elsden, J. S. Flett, F. H. Hatch, George T. Prior, R. H. Rastall, J. J. H. Teall, Herbert H. Thomas, G. W. Tyrrell and W. Campbell Smith
Report of the Committee on British Petrographic Nomenclature
Mineralogical Magazine 1921 19 : 137-147. [Abstract] [PDF]