Inch, subtended an Angle at the Prism of about half a Degree, which is the Sun's apparent Diameter. But the Length of the Image was about ten Inches and a quarter, and the Length of the Rectilinear Sides about eight Inches; and the refracting Angle of... Spectrum analysis, 6 lects - Page 33by sir Henry Enfield Roscoe - 1870Full view - About this book
| Isaac Newton - 1730 - 382 pages
...by a quarter of an Inch, fubtended an Angle at the Prifm of about half a Degree, which is the Sun's **apparent Diameter. But the Length of the Image was...about eight Inches ; and the refracting Angle of the** Prifm, whereby fo great a Length was made, was 64 degrees. With a Ms Angle the Length of the Image... | |
| James Wood - 1801 - 251 pages
...by a quarter of an inch, fubtended an angle at the prifm of about half a degree, which is the fun's **apparent diameter. But the length of the image was...inches and a quarter, and the length of the rectilinear** fides about eight inches; ancj • • Left. Opt. PI Prop. XXVr ', and the refracting angle of the... | |
| James Smith - 1815 - 684 pages
...length was about 10j inches, and the length of its rectilinear sides about eight inches ; and ACB, **the refracting angle of the prism, whereby so great a length was made, was 64** degrees. With a less angle, the length of the image was less, the breadth remaining the same. It is... | |
| 1823 - 886 pages
...• and ACB, tbe refracting angle of the prism, by which, so great a length was made, was 64 degrees. **With a less angle the length of the image was less, the breadth remaining the same.** It is farther to be observed, that tbe rays went on in straight lines from the prism to the image,... | |
| Charles Frederick Partington - 1828 - 468 pages
...about 2| inches, but its length was about KH inches, and the length of its rectilinear sides about 8 **inches ; and the refracting angle of the prism, whereby so great a length was made, was 64** degrees. With a less angle, the length of the image was less, the breadth remaining the same. It is... | |
| 1841 - 488 pages
...of about half-adegree, which is the sun's apparent diameter. But the length of the image was abput **ten inches and a quarter, and the length of the rectilinear...the prism, whereby so great a length was made, was** C4°. With a less angle, the length of the image was less, the breadth remaining the same. It is farther... | |
| 1838 - 1014 pages
...length was about lo't inches, and the length of its rectilinear sides about eight inches ; and ACB, **the refracting angle of the prism, whereby so great...the image was less, the breadth remaining the same.** It is further to be observed that the rays went on in straight lines from the prism to the image, and... | |
| Thomas Preston - 1890 - 465 pages
...but the length of the image was about 10 J inches, and the length of the rectilinear sides about 8 **inches, and the refracting angle of the prism, whereby so great a length was made, was 64** degrees. With a less angle the length of the image was less, the breadth remaining the same. If the... | |
| Sir William Augustus Tilden - 1899 - 284 pages
...by a quarter of an inch, subtended an angle at the prism of about half a degree, which is the sun's **apparent diameter. But the length of the image was...the image was less, the breadth remaining the same.** . . . Now, the different magnitude of the hole in the window-shut and different thickness of the prism... | |
| Sir William Augustus Tilden - 1899 - 296 pages
...by a quarter of an inch, subtended an angle at the prism of about half a degree, which is the sun's **apparent diameter. But the length of the image was...a less angle the length of the image was less, the** breadtl1 remaining the same. . . . Now, the different magnitude of the hole in the window-shut and... | |
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