Reference numberAP/6/20
TitleUnpublished paper, 'Observations and conjectures on the state, motion, and phenomena of heat, in comets' by Samuel Williams
DescriptionWilliams discusses the nature of celestial bodies other than the Sun, positing that they behave differently and produce light and heat in a different way. His essay explores the degree of heat that planets and comets receive from the Sun, what happens to this heat once received, and the effects of this heat on these bodies. Corrections appear in ink throughout.

Subject: Astronomy
Physical descriptionInk on paper
Digital imagesView item on Science in the Making
Access statusOpen
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