SURVEYING INSTRUMENTS. COLLECTION OF NINE ITEMS

i. Amaldi, Paolo. Il goniometro ossia compasso graduato per misurare tutti gli angoli saglienti e rientranti, le altezze e distanze e metodo per adoperarlo. Mantua: Fratelli Negretti, 1844, folding table at the end, original wrappers, preserved in cloth folding box, (bought from Libreria Antiquaria Soave, Turin, 1988), [T&W A65], wrappers restored with new backstrip ii. Colson, [Charles Marie] René (1853-1915). La planchette-télémètre. Ses usages... Nancy: Berger-Levrault, 1911, planchette in wallet at the end, original wrappers, (bought from Alain Brieux, Paris, 1991), [T&W C129]iii. Ferguson, Thomas (1900-1977). Automatic surveying instruments and their practical uses on land and water. London: John Bale, Sons & Danielsson Ltd. 1904, plates, folding diagrams, original red cloth, [T&W F44]iv. Kiely, Edmond Richard (1899-1988). Surveying instruments. Their history and classroom use. New York: Columbia University, 1947, illustrations, original red cloth, [T&W K39]v. Simms, Frederick Walter (1803-1865). A treatise on the principal mathematical instruments employed in surveying, levelling, and astronomy: explaining their construction, adjustments, and use. With an appendix and tables. London: for the author, 1836, original boards, rebacked, [T&W S117]vi. Dupuit, Jules (1804-1866). Notice sur un procédé mécanique pour la mesure des surfaces, et spécialement de celles des déblais et remblais des projets de routes, canaux, chemins de fer, etc., etc. Chalons sur Marne: Imprimerie de Boniez - Lambert, 1843, original wrappers, folding table, (bought from Pickering & Chatto, London, 1994), [T&W D74], wrappers slightly chipped,vii. Pressler, Maximilian Robert (1815-1886). Mathematische Brieftasche mit Ingenieur-Messknecht zur Erleichterung, Belebung und Befruchtung der Wissenschaft, des Unterrichts und der Praxis... Dresden: W. Turk, 1860, third edition, original wrappers, in original leather case with pouches, the second pouch with card instrument "Ingenieur-Messknecht“ (Measurement Servant), preserved in cloth folding box, (bought from Palinurus, Jenkintown PA, 1985), [T&W P109], wrappers slightly chipped, case rebacked viii. Schneitler, C.F. Die Instrumente und Werkzeuge der höheren und niederen Messkunst, sowie der geometrischen Zeichnenkunst, ihre Theorie, Construction, Gebrauch und Prüfung. Leipzig: B. G. Teubner, 1852, illustrations, original green and black marbled boards, green edges, (bought from Rogers Turner, London, 1990), [T&W S41], wear to extremitiesix. Schmidt, Fritz. Geschichte der geodätischen Instrumente und Verfahren im Altertum und Mittelalter. Neustadt an der Haardt: Pfälzische Gesellschaft zur Förderung der Wissenschaften, 1935, original half cloth, (Otto Neugebauer (1899-1990), ownership signature; bought from Scientia, Arlington, MA, 1996), [T&W S40]8vo (9)

Condition is described in the main body of the cataloguing, when appropriate
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

The "Ingenieur-Messknecht“ (Measurement Servant) was a cardboard device which - by means of a small plumb line and sighting needles - could determine angles and elevations.