 | Robert Smith - 1738 - 402 pages
...length of its rectilinear fides about 8 inches ; and A CB the refracting angle of the prifm, whereby fo great a length was made, was 64 degrees. With a lefs...length of the image was lefs, the breadth remaining the /ame. It is farther to be obferved that the rays went on in flraight lines from from the prifm to the... | |
 | George Gregory - 1796 - 620 pages
...of its rectilinear fides about eight inches; and ACB, the refrafting angle of the prifm, whereby fo great a length was made, was 64 degrees. With a lefs...length of the image was lefs, the breadth remaining the lame. It is farther to be obfervcd, that the rays went on in ft rait lines from the prifm to the image,... | |
 | Colin Macfarquhar, George Gleig - 1797 - 450 pages
...whereby fo great a length was ma !e, was 64 degrees. With a leu angle the: length of the image was lefe> the breadth remaining the fame. It is farther to be obferved, that the rays went on in ilraighi linea from the prifm to the image, and therefore at their going out of the prifm had all Light... | |
 | Encyclopaedia Britannica - 1810 - 814 pages
...length of its rectilinear fides about 8 inches ; and ACB, the rcfraning angle of the prifm, by which io great a length was made, was 64 degrees. With a lefs angle the .ler.gih of the image was lefs, the bresdth remaining the fame. It is farther lo be obferved, that... | |
 | 1816 - 778 pages
...inches ; and ACB, the refracting angle of the prifm, whereby fj great a length was made, was 64°. With a lefs angle the length of the image was lefs,...the breadth remaining the fame. It is farther to be o'jfervcd, that the rays went on in ftnight lines from the prifm to the image, and therefore, at their... | |
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It is farther to be obferved that the rays went on in flraight lines from from the prifm to the image, and therefore at their going out of the prifm had all that inclination to one another from which the length of the Image proceeded. This image... 