Helsham, R. (1778). A course of lectures in natural philosophy: By the late Richard Helsham, ... Published by Bryan Robinson, M.D (The fifth edition.). printed for William Sleater, James Williams, and William Hallhead.
MLA CitationHelsham, Richard. A Course of Lectures in Natural Philosophy: By the Late Richard Helsham, ... Published by Bryan Robinson, M.D. The fifth edition. printed for William Sleater, James Williams, and William Hallhead, 1778.
Warning: These citations have been automatically generated and may not always be 100% accurate..