Search Results: Authors starting with E from Edmund Brumfitt Rare Books Ltd

4to, pp. 20; woodcut armorial device on title-page, and headpiece; wormhole to foot of title, a couple of marginal nicks, and some browning throughout, but otherwise clean; in contemporary patterned wrappers, slightly chipped at head of spine, but an attractive copy.
Very rare account of the gathering of the Collegio Ducale in Correggio in Emilia, held over three days in September 1787, to celebrate the achievements of students with demonstrations from the students of their proficiency in discussing various matters; these range from the nature of chronology, and the ways in which days, weeks, months, and years have historically been understood, to questions of heraldry, the history of the Old Testament, and Roman history. These are interspersed with numerous performances, both of extemporised verse votes of thanks, and of music by the students, ranging from solo keyboard recitals to pieces of chamber music (including one uncommonly scored for two keyboards, four violins, and a flute, which doubtless… Read More

4to, pp. [ii], 322, [1] avis au relieur, [1] blank; with five folding leaves of plates; engraved vignette on title, headpiece, and initial; some light dustsoiling and foxing, principally marginal, in places, and wormtrace to a couple of gatherings, not affecting text but touching the edge of Plate III; otherwise clean and fresh throughout; with the stamp of the Royal Society of Edinburgh on title, front pastedown, and front free endpaper; in contemporary calf, rebacked; spine in compartments with raised bands, ruled in gilt, and with title in gilt and the crest of the Royal Society of Edinburgh at foot; boards bordered in gilt; somewhat worn but sound.
First edition of Euler's pioneering work on the calculus of variations, which constitutes the founding text of that branch of mathematics.
Euler had explored the subject of the shortest line between two points on a surface in a 1732 article (De linea brevissima in superficie quacunque duo quaelibet puncta jungente) but there he addressed individual… Read More