 I procured me a triangular glass prism, to try therewith the celebrated phenomena of colours. And in order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism...  Popular Science Monthly - Page 4571902Full view - About this book
 | Royal Society (Great Britain) - 1705 - 398 pages
...6. 16^ ; in order to be communicated to the R. Society. TO perform my late promile to you, I ihall without further Ceremony acquaint you, that in the beginning of the Year 1666 (at which time I apply'd my felf to the grinding of Optick-glafles of other Figures than Spherical,) I procur'd me.... | |
 | Edmond Halley, Royal Society (Great Britain) - 1705 - 390 pages
...»•!»,• -i :) •'•> r : jv i •. i .'' ; -.- « TO perform my late promife to you, I mall without further Ceremony acquaint you^ that in the beginning of the Year \666 (at, which time I apply'd my felf to the grinding of Optick-glafTes of other Figures than Spherical,)... | |
 | Edmond Halley, Richard Mead - 1708 - 430 pages
...in order to be communicated to the Royal Society. S 1 R, TO perform my late promife to you, I fhall without further Ceremony acquaint you, That in the beginning of the Year 1666 (at which time I apply'd my felf to the grinding of Optick-glafles of other Figures than Spherical,) I procur'd me a... | |
 | Sir Richard Phillips - 1830 - 728 pages
...Letter of Mr. ISAAC NEWTON to the Secretary, containing his New Theory of Light and Colours.— [1672.] SIR, — To perform my late promise to you, I shall...acquaint you, that in the beginning of the year 1666 I procured a triangular glass prism, to try therewith the celebrated phenomena of colours. For that... | |
 | Royal institution of Great Britain - 1882 - 840 pages
...late promise to you," he writes to Oldenburg, " I shall without further ceremony acquaint you, that in the year 1666 (at which time I applied myself to the grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith... | |
 | Encyclopaedia - 1845 - 902 pages
...February 6th, 1671-2, is addressed to Mr. Oldcnburgh, at that time the secretary to the Royal Society. " Sir, — To perform my late promise to you, I shall...ceremony acquaint you, that in the beginning of the year 1 666 (at which time I applied myself to the grinding of optic glasses of other figures than spherical),... | |
 | 1880 - 930 pages
...late promise to you," he writes to Oldenburg, " I shall without further ceremony acquaint you, that in the year 1666 (at which time I applied myself to the grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith... | |
 | 1880 - 900 pages
...late promise to you," he writes to Oldenburg, "I shall without further ceremony acquaint you that in the year 1666 (at which time I applied myself to the grinding of optickglasses of other figures than spherical) I procured me a triangular glass prism, to try therewith... | |
 | Royal Institution of Great Britain - 1882 - 774 pages
...late promise to you," he writes to Oldenburg, " I shall without further ceremony acquaint you, that in the year 1666 (at which time I applied myself to the grinding of optick-glasses of other figures than spherical) I procured me a triangular glass prism, to try therewith... | |
 | Peter Guthrie Tait - 1884 - 294 pages
...extremely important discovery, from his letter to Oldenburg, dated Cambridge, Feb. , 167£ : — " To perform my late promise to you, I shall without further ceremony acquaint you, that in the year 1666 (at which time I applied myself to the grinding of optickglasses of other figures than spherical)... | |
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