On Some New Forms of Quartz-Wedge and Their Uses

John W. Evans

Mineralogist to the Scientific and Technical Department of the Imperial Institute

Mineralogical Magazine; May 1905 v. 14; no. 64; p. 87-92; DOI: 10.1180/minmag.1905.014.64.05
© 1905, The Mineralogical Society
Mineralogical Society (www.minersoc.org)