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Showing 1–20 of 39 items
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Admires her manuscript [Mechanism of the Heavens]. Wishes [P. S.] Laplace would have lived to see it. Notes a problem with the principle of virtual velocity.
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Sending papers on actinochemistry (photography). Discusses [James] Forbes's viscosity theory, nebulae of Southern Hemisphere, great refractor at Collegio Romano, and Lord Rosse's telescopes.
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Augustus DeMorgan and [Henry Fox] Talbot are sending their papers to her. Family is well. Outlines a process of photography.
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Discusses MS's light experiments. JH will present the results to Royal Society. Describes apparatus that may help her. Recently attended a meeting concerning continental magnetics and meteorology.
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Has noticed a resemblance between [Alexander von Humboldt's] Kosmos and MS's chapter, 'On Man,' in her manuscript. Advises her to revise. Sends results of observations at the Cape.
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JH's new position [Master of Mint] took him by surprise. People seem 'wild' over renewed agitation of Papal aggression issue. Describes the discovery of Saturn's new ring.