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Barus, Carl A CONTINUOUS RECORD OF ATMOSPHERIC NUCLEATION, BY CARL BARUS.
Washington Smithsonian Institution 1905 First Edition Thus Wrappers Very Good+
Smithsonian Contributions to Knowledge, V. 34 [Art. 3]smithsonian Institution Publication 1651.; Folio 13" - 23" tall; xvi, 226 pages; Printed tan wrappers. Pages are uncut . Ever so tiny chip and two closed tears on the forward edge of the front wrapper . Some very light fading at the margins of the front wrapper. Apparently, an unread copy. Extra postage will be requested for overseas delivery.
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100.00 USD
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Draper, Henry ; Ritchey, George W. ON THE CONSTRUCTION OF A SILVERED GLASS TELESCOPE, FIFTEEN AND A HALF INCHES IN APERTURE, AND ITS USE IN CELESTIAL PHOTOGRAPHY, BY HENRY DRAPER AND, ON THE MODERN REFLECTING TELESCOPE AND THE MAKING AND TESTING OF OPTICAL MIRRORS, BY GEORGE W. RITCHEY.
Washington Smithsonian Institution 1904 First Edition Thus Wrappers Very Good+
Smithsonian Contributions to Knowledge, Vol. 34; [Art. 2] Smithsonian Institution Publicaton 1459.; Folio 13" - 23" tall; 109, [12] pages; Printed tan wrappers. Extremities are ever so slightly trimmed. Head and heel of paper spine ever so slightly chipped. Description : 3 pages, leaf, iii, 55, v, 51 pages, Illustrations, XIII plates. On the Construction of a Silvered Glass Telescope, Fifteen and a Half Inches in Aperture, and its Use in Celestial Photography, by Henry Draper is reprinted from vol xiv, "Smithsonian Contributions to Knowledge," 1864)
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500.00 USD
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Faraday, Michael & E. Magrath, Secretary Of The Athenaeum (Club) THE COMMITTEE LAY THE FOLLOWING QUESTIONS, AND CONSEQUENT COMMUNICATION FROM MR. FARADAY, BEFORE THE CLUB, FOR THEIR INFORMATION.
London Royal Institution 1831 Pamphlet Very Good
4to 11" - 13" tall; 4 pages; 4 page printed document: "Athenaeum, 12th Feb. 1831. Dear Sir, Can you, from the few experiments you have made in this house, and from your knowledge on the subject of Lighting, answer the following questions: 1. What is the ratio of light of an oil and gas burner? 2. What is the ratio of heat? 3. Is either sulphurous or sulphuric acid formed by the combination of coal gas in the ordinary way? 4. From a gas light, properly regulated, is gas respired? 5. Will an oil or gas light soonest soil the ceiling of a room. 6. What effect will the heat evolved have on the temperature of a room? 7. What are the comparative effects of oil and gas lights on the quality of air, light for light? 8. What are the comparative qualities of the light from oil and gas? 9. Taking all the circumstances into consideration, what, in your opinion, is the cause of the oppresive feeling complained of in certain rooms in the Atheaeum? 10. Why has oil been displaced by gas in the public rooms of the Royal Institution? I remain, Dear Sir, Yours very sincerely, E. Magrath, Secretary. Michael Faraday, Esq. " Faraday answers the ten questions as follows: "Royal Institution, Feb. 14, 1831 Dear Sir, The following are the best answers I am able to give your queries: 1. In an experiment made at the Athenaeum, with an excellent argand oil lamp, regulated by Mr. Hancock, and compared with a 15-hole gas burner, the light of the gas was to that of the oil as 21 to 13. 2. In experiments made to determine the heat evolved for equal quantities of light from oil and gas burning brightly from argand burners, the best from the oil being 2, that from the gas was nearly 3. 3. A little sulphurous or sulphuric acid is generally formed from the combustion of coal gas. If well-purified gas be used, this product is rarely sensible; it is less sensible as sulphuric than as sulphurous acid. Upon closely questioning persons who have declared that they smelt the sulphur from gas, I have usually found they meant something else; generally the oppresive heat, or the dry sensation, or the smell of a little gas unburnt, none of which have anything to do with the sulphur product from gas. " Faraday continues to answer questions 4-10 contained in this folded document mailed to the addressee, a member of the Athenaeum.
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3000.00 USD
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Lagrange, Joseph Louis MECANIQUE ANALYTIQUE
Paris Mallet-Bachelier 1853 Third Edition Hardcover Very Good+
4to 11" - 13" tall; Boards and leather. 1853-1855. Troisieme Edition, Revue, Corrigee et Annotee par M. J. Bertrand. Some slight wear and scuffing. Two volumes , 1/2 morocco, marbled boards & endpapers.
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2000.00 USD
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