Annual Report and Documents of the New York Institution for the Instruction of the Deaf and Dumb, Volum 49,Part 1867

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Vol. 26- includes the report on the schools for the deaf and dumb in central and western Europe by Rev. George E. Day.
 

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Pàgina 124 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Pàgina 104 - Motions of the Earth as seen from the Moon." It is well known that the time of the moon's rotation on its axis is equal to the time of its revolution in its orbit. The result of this equality (whether regarded as a mere coincidence or the effect of gravitation) is seen in the fact that the same side of the moon is always turned towards the earth. This statement would be literally true if the moon's motions of rotation and revolution were in parallel planes, and the momentary velocities as well as...
Pàgina 101 - Mexico, on the south by the Gulf of Mexico, and on the west by Texas.

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