Item is a book kept by James Dinwiddie containing his notes on lectures at the Royal Institution (December 20, 1809-April 19, 1810), which include lectures given by Dalton.
Item is a book kept by James Dinwiddie containing notes about lectures at the Royal Institution (April 21, 1810 - May 26, 1811). Dinwiddie notes that he did not attend the first two lectures.
Item is a notebook dated January 2, 1776 containing Dinwiddie's observations on planetary motion, including the orbits of Mercury, Venus, Mars, Jupiter, Saturn, and the moon.
Series contains notebooks kept by James Dinwiddie in which he made notes and observations about topics in natural philosophy and politics, recorded meteorological and chronological observations, catalogued his books, and wrote about his and others' experiments.
