Description: THE CAMBRIDGE PROFESSOR AND ROYAL ASTRONOMER OF IRELAND BECAME CELEBRATED FOR HIS OVER 2500 POPULAR LECTURES ON SCIENCE IN TOWNS AND CITIES ACROSS BRITAIN AND IRELAND ROBERT STAWELL BALL (1840-1913)HANDWRITTEN LETTER SIGNED, “Yours truly, Robert S. Ball”, on Cambridge Observatory letterhead, 4.5 x 7, 8th Apr. 1897, in full: “Dear Mrs. Lockwood: Many thanks for your kind letter”, by the Irish mathematician who founded the algebraic calculation known as the screw theory and who as Professor of Applied Mathematics at the Royal College of Science in Dublin, where he lectured on mechanics, an area of mathematics and physics concerned with the motions of physical objects that result in displacements, or changes of an objects position relative to its environment. He was also the Royal Astronomer of Ireland. He wrote several astronomy books: Time and Tide: a Romance of the Moon (1889)and An Atlas of Astronomy (1892) and was appointed Lowndean Professor of Astronomy and Geometry at Cambridge University and at the same time becoming director of the Cambridge Observatory. The letter is in fine condition, with minor age toning along edges and one small chip at tip left. #12602ZWO Certificate of Authenticity This item has been authenticated and is accompanied by a Certificate of Authenticity issued by our parent company, History Makers Autographs. We financially stand behind our COA. Our commitment to authenticity and customer satisfaction are the reasons why we've been able to stay in business for so long (since 1985)! Ask us about our PSA/DNA and JSA authentication guarantee. YES, WE DO OFFER A LAYAWAY PLAN THIS IS AN ORIGINAL HAND SIGNED AUTOGRAPH. We do not sell reprints or facsimile autographs. This isour 34th year in business. We closed our retail galleries and noware totally internet sales oriented. We are a long-time member of UACC #RD337,PADAH, and the Manuscript Society. Our collectibles make for fantastic additionsto long standing collections, great starting points for new collectors lookingfor trusted authentic material, and make for a truly unique gifts for thatspecial person in your life or corporate gift for a special client. If you have any questions feel free to contact us. Be sure to add us to your favorites list.Also take a look at the hundreds of other items we have in our eBay store. History Makers Autographs offers one of the strongestguarantees available by any dealer. Weunconditionally guarantee the authenticity of the document/artwork, withouttime limit, to the original purchaser. Every item we sell comes with a Certificate of Authenticity clearlystating this guarantee. International Buyers Please Note: Import duties,taxes and charges are not included in the item price or shipping charges. Thesecharges are the buyer's responsibility. Please check with your country'scustoms office to determine what these additional costs will be prior tobidding/buying. These charges are normally collected by the delivering freight(shipping) company or when you pick the item up; do not confuse them foradditional shipping charges.
Price: 110 USD
Location: Nokomis, Florida
End Time: 2025-01-04T22:23:11.000Z
Shipping Cost: 8 USD
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All returns accepted: ReturnsNotAccepted
Country/Region of Manufacture: India
