| John Tyndall - 1863 - 480 páginas
...red light placed end to end would make up an inch ; multiply the number of .inches in 192,000 miles **by 39,000, we obtain the number of waves of red light in** 192,000 miles : this number is 474,439,680,000,000. All these waves enter the eye in a single second.... | |
| 1863 - 480 páginas
...red light placed end to end would make up an inch ; multiply the number of inches in 192,000 miles **by 39,000, we obtain the number of waves of red light in** 192,000 miles : this number is 474,439,680,000,000. All these waves enter the eye in a single second.... | |
| John Tyndall - 1866 - 480 páginas
...red light placed end to end would make up an inch ; multiply the number of inches in 192,000 miles **by 39,000, we obtain the number of waves of red light in** 192,000 miles : this •amber is 474,439,680,000,000. All these waves enter the eye in a single second.... | |
| John Tyndall - 1870 - 74 páginas
...of a wave of red light is about ^-g^inr °f an mch ! that of a wave of violet light is about ^T^5 th **of an inch. The waves which produce the other colours...39,000 we obtain the number of waves of red light in** 192,000 miles; the product is 474,439,680,000.000. All these waves enter the eye in a second. In the... | |
| Robert Bird - 1870 - 246 páginas
...red light placed end to end, would make up an inch; multiply the number of inches in 192,000 miles **by 39,000, we obtain the number of waves of red light in** 192,000 miles; this number is 474,439,680,000,000. All these waves enter the eye in a single second.... | |
| John Tyndall - 1871 - 194 páginas
...that of the wave of violet light is about ^ gu0th of an inch. The waves which produce the other colors **of the spectrum lie between these extremes. 242. The...39,000 we obtain the number of waves of red light in** 192,000 miles; the product is 474,439,680,000,000. All these waves enter the eye in a second. In the... | |
| Sabine Baring-Gould - 1871
...light, placed end to end, would make up an inch; multiplying the number of inches in 192,000 miles **by 39,000, we obtain the number of waves of red light in** 192,000 miles: this number is 474,439,680,000,000. All these waves enter the eye in a single second.... | |
| Heinrich Schellen, Jane Lassell - 1872 - 662 páginas
...of a wave of mean violet light is about [-575001!! of an inch. The velocity of light being taken at **192,000 miles in a second, if we multiply this number...39,000 we obtain the number of waves of red light in** 192,000 miles; the product is 474,439,600,000,000. All these waves enter the eye in a second. In the... | |
| Heinrich Schellen, Jane Lassell - 1872 - 662 páginas
...of a wave of mean violet light is about 1-575001!) of an inch. The velocity of light being taken at **192,000 miles in a second, if we multiply this number...39,000 we obtain the number of waves of red light in** 192,000 miles; the product is 474,439,600,000,000. All these waves enter the eye in a second. In the... | |
| John Tyndall - 1874 - 194 páginas
...that of the wave of violet light is about 87^oath of an inch. The waves which produce the other colors **of the spectrum lie between these extremes. 242. The...39,000 we obtain the number of waves of red light in** 192,000 miles; the product is 474,439,680,000,000. All these waves enter the eye in a second. In the... | |
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