TY - BOOK TI - The Philosophical magazine : comprehending the various branches of science, the liberal and fine arts, geology, agriculture, manufactures and commerce VL - v.19 (1804:June-Sept.) UR - https://www.biodiversitylibrary.org/item/15595 PB - Richard Taylor and Co CY - London PY - 1804 KW - Periodicals KW - Physics KW - Science ER -