 | Robert Smith - 1738 - 450 pages
...invention examined. a 11 cm. 8 1 b Art. 781 CJiap. i. my eye to the concave, I law objects appear pretry large and pretty near me ; they appeared three times nearer, and nine times larger [in furface] than to the naked eye. And foon after I made another which reprcfented objects above 60 times... | |
 | David Brewster - Physicists - 1831 - 328 pages
...other. He then applied his eye to the concave glass, and saw objects "pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects above sixty times larger ; and, sparing neither... | |
 | 1832 - 618 pages
...He then applied to his eye the concave glass, and saw objects " pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface than to the naked eye. He soon after made another, which represented objects sixty times larger; and, sparing neither labour... | |
 | Antislavery movements - 1833 - 370 pages
...He then applied his eye to the concave glass, and saw objects " pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects ubove sixty times larger ; and, sparing neither... | |
 | Thomas Dick - Astronomical instruments - 1845 - 644 pages
...one of them was spherically convex, and the other concave. Then applying my eye to the concave, I saw objects appear pretty large and pretty near me. They...times larger in surface than to the naked eye : and soon after I made another, which represented objects about sixty times larger, and eight times nearer... | |
 | Thomas Dick - 1845 - 608 pages
...one of them was spherically convex, and the other concave. Then applying my eye to the concave, I saw objects appear pretty large and pretty near me. They...times larger in surface than to the naked eye : and soon after 1 made another, which representedobjects about sixty times larger, and eight times nearer... | |
 | Child rearing - 1845 - 334 pages
...other. He then applied his eye to the concave glass, and saw objects "pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects above sixty times larger ; and, sparing neither... | |
 | George Grant - Astronomy - 1849 - 322 pages
...He then applied his eye to the concave glass, and saw objects " pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects above sixty times larger; and sparing neither... | |
 | George Grant - Astronomy - 1849 - 318 pages
...He then applied his eye to the concave glass, and saw objects " pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects above sixty times larger ; and sparing neither... | |
 | George Grant - Astronomy - 1849 - 316 pages
...He then applied his eye to the concave glass, and saw objects " pretty large and pretty near him." They appeared three times nearer, and nine times larger in surface, than to the naked eye. He soon after made another, which represented objects above sixty times larger ; and sparing neither... | |
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... an instrument so excellent, as " to show things almost a thousand times larger, and above thirty times nearer to the naked eye. 
