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EULER, LEONHARD. - DIOPTICAL THEORY.

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EULER, LEONHARD. - ATMOSPHERIC REFRACTION OF LIGHT.

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DIRICHLET, G. LEJEUNE. - THE INTRODUCTION OF THE "DIRICHLET SERIES"

Berlin, G. Reimer, 1839-40.

MACLAURIN, COLIN. - EXTENDING NEWTON'S THIRD LAW.

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POISSON, (SIMÉON-DENIS).

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BRACONNIER, JEAN.

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COUTURAT, LOUIS.

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HERMITE, CHARLES. - HERMITE'S THEOREM.

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PYROTECHNICS - FIREWORKS - MALTHE, FRANCOIS de. (FRANCIS MALTHUS).

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