This series of notes written by James Dinwiddie focuses on astronomy. Dinwiddie discusses the properties of the moon and outlines the lunar cycle as well as the phenomenon of comets. He provides a list of well known astronomers and their publications including Isaac Newton, Rene Descartes, Johannes Kepler, Socrates, Nicolas Copernicus, Otto Guernicke, Galileo, Ptolemy, and Edmond Halley.
These lecture notes written by James Dinwiddie discuss a number of topics related to the military including fortifications, ballistics, redoubts, and the Macedonian Phalanx. Dinwiddie mentions various materials for building fortifications, armour, and weapons. He also records the arrangement of the Macedonian Phalanx.
This document from the Royal Institution ca. 1814 is a balloting list for the positions of president, treasurer, and secretary. This file consists of one printed page.
This document sent to James Dinwiddie from the Royal Institution outlines a by-law passed June 18, 1814 allowing associate members to use A.R.I. as a postnomial. This file consists of two printed pages.
Item is a journal kept by James Dinwiddie from March 24 - June 30, 1794, with entries written aboard ship on the return journey and in or near Batavia (now Jakarta).
Item is a notebooks kept by James Dinwiddie between October 3, 1792 and August 31, 1793 containing observations from a chronometer recorded during his journey from London to China.
Item is a notebook in which James Dinwiddie recorded his observations (in 75 numbered paragraphs) about China, including its geography, animal life, and customs.
These notes written by James Dinwiddie cover several topics including aquaducts, astronomy, and Roman history. In the astronomy notes, Dinwiddie mentions the seasons, the nautical almanac, the equinoxes, and the sun's gravity. This file consists of thirteen pages of notes.
These notes written by James Dinwiddie focus on matter. The notes are split into three sections; the first deals with the properties of matter including various propositions. The second discusses the perserverance of matter or what happens when forces are applied. The final section deals with the powers of matter and involves inertia and resistance.
These notes written by James Dinwiddie concern "Elementary Bodys [sic]". Dinwiddie briefly discusses chemical compositions in one set of notes. In the second set, he discusses motion and the necessity of experimentation in understanding nature.
These notes written by James Dinwiddie focus on experiments involving air; he documents his procedures as well as the results. Dinwiddie includes a hand-drawn diagram of various scientific apparatus at the front of the notes.
Item is a notebook kept by James Dinwiddie during his time in Calcutta in which he summarizes reports on a range of topics, including observations on "Dr. Black's Analysis of the Iceland waters" and "Extract from the report of the Committee for improving the manufacture of powder at Bombay."
These lecture notes written by James Dinwiddie ca. 1793 focus on architecture. Dinwiddie mentions building practices for arches, bridges, and porticos.
Item is a notebook kept by James Dinwiddie in Calcutta, in which he recorded his observations and experiments in galvanism and other electrical phenomena.
These notes written by James Dinwiddie examine a number of topics in physics including light, motion, matter, hydraulics, and hydrostatics as well as a treatise on Nature from the points of view of philosophy, art, and theology.
This introductory lecture written by James Dinwiddie discusses natural philosophy. Dinwiddie draws on past philosophers including Rene Descartes, Plato, and John Locke to describe Nature and man's relationship with her.
These notes written by James Dinwiddie focus on topics in mechanics such as gravity, momentum, compound engines, and Ferguson's machine as well as matter, magnetism, electric shock, and capillary action in the introductory section.