XVI. A Description of the Oxyd of Tin, the production of Cornwall; of the Primitive Crystal and its modifications, including an attempt to ascertain with precision, the admeasurement of the angles, by means of the reflecting Goniometer of Dr. Wollaston : to which is added, a series of its crystalline forms and varieties
W. Phillips. "XVI. A Description of the Oxyd of Tin, the production of Cornwall; of the Primitive Crystal and its modifications, including an attempt to ascertain with precision, the admeasurement of the angles, by means of the reflecting Goniometer of Dr. Wollaston : to which is added, a series of its crystalline forms and varieties." Transactions of the Geological Society of London s1-2.0 (1814) 336-376