Brander, Georg Friedrich and Christoph Caspar Höschel. A collection of four works by the two well-known Augsburg mechanics. With 4 (out of 5) folded copper panels. 16 x 9 cm. Semi-leather d. C. (lightly rubbed and bumped) with gold-embossed back shield. Augsburg, Wittwe E. Klett and Frank, 1777-1794. Available are: I. Brander. Description of the mirror quadrant he has remanufactured according to Hadley's theory with an artificial horizon to geometric and astronomical uses ... With 1 board from E. Eichel to Höschel. 1777. 64 pp. - Papers by G. F. Brander 22 - II. Hustle. Message from the katoptric circle, as an encore to the An. 1777. published description of the mirror quadrant according to Hadley's theory, by Georg Friedr. Brander Mechanicus. Without the copper. 1783. 31 pp. - Papers 32. - III. Brander. Description and use of a geometric instrument in the form of a proportional circle, which in all practical cases can be easily and well used in field measurement; also serves for astronomical pleasure, and can be carried with it very comfortably on journeys: along with attached description of a system of scale rods to drawings. (2. ==References== With 2 plates (of which 1 with a big brown spot in the picture). 1780. 64 pp. - Papers 29. - IV. Hustle. Brief description of a new angle or disc instrument manufactured by him, which provides the greatest accuracy not only for particular but also for larger country measurements. With 1 board of leitzelt. 1794. 31 p. - Prints 33. – Consummation with engraved coat of arms exlibris "Franç: Antoine Glonner a: BurgHausen", i.e. Franz Anton Glonner II (1750-1834), since 1777 city and court mason master of the rent office of the city of Burghausen (cf. AKL 56, p. 213), as well as red lacquer seal and handwritten number 369. A little flaky, front joint with small worm canal. Minimally tanned, occasionally light water edges. Small worm course in the edge of the last pages, the board (without image contact) and in the mirror. Overall very nice specimen.