Leybourn's Dialling Improv'd. [Leybourn's Dialling Improved]: or, the whole art perform'd, I. Geometrically:.. II. Arithmetically:.. Also, How to describe all necessary Furniture for Sundials... With: Reflective Dialling... To which is now added, Instrumental Dialling: by the Lines of Hours... likewise Mechanick Dialling... Concluding with Tables...
London: printed by H.Parker for A.Bettesworth, 1728.
Third edition. xii, 276pp, with the 12 folding plates, all in good order, a few with minor repairs. [Stub torn away at p80/81 unexplained as plates all present.] Head- and tail-piece decorations. Pages slightly toned but otherwise clean. With an armorial bookplate lifting over an earlier bookplate on the pastedown, and a bookseller's blindstamp to the corner of the front free endpaper ('S.J.Chew, Cheap Book Establishment') next to an early owner's neat pencilled notes. Small marks to endpapers offset from sellotape formerly retaining a jacket. 12mo, 16 x 10 cms, in early worn leather boards with a late 20thC calf spine ruled in blind and titled gilt on a green label. Very nice copy. Very Good.
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The Mathematical Principles of Natural Philosophy. To which are added: Newton's System of the World; A Short Comment on, and Defence of, the Principia, by W. Emerson: with The Laws of the Moon's Motion according to Gravity, by John Machin. [Vols II & III only]
London: H.D. Symonds, 1803.
New Edition (stated) - and the First English edn of Book III. Vol II: [ii], 321, (i),  index: with 19 numbered fold-out diagrams and 2 folding tables; Vol III: vi, 231,  advert: with 10 fold-out diagrams (some numbered). Vol II constitutes Books II and III of the Principia, together with a 7-page appendix of explications furnished by the editor; Vol III contains Newton's System of the World and the pieces by Emerson and Machin. The foldout diagrams are toned, in a few cases heavily, as are the last few pages of Vol III: in other respects text and diagrams are in very good order. In contemporary half calf with marbled boards and endpapers, the spines ruled gilt and titled. Boards rubbed, joints and ends recently refurbished with Japanese tissue. An attractive part-set of the English edition. Very Good+.
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The Exponential and Hyperbolic Functions and their applications. A practical book for the general student and engineer. Technical School Series.
London: Sir Isaac Pitman & Sons, 1932.
First edition. x, 81, (i), 1 (index),  adverts, 24 adverts. Neat 1932 ownership signature to pastedown. Contents clean. In the original binding of navy cloth ruled in blind and titled in gilt. Spine slightly dulled, extremities crimped. Nice copy. Very Good.
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