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In 1718 Joblot constructed the side-pillar compound microscope that utilizes stops or diaphragms to help correct chromatic aberrations and includes a brass lens cap, which may be placed so that the eyepiece is protected when not in use. This was an advancement over those available before him; it permitted precise focusing by eliminating stay light and enabling the mounting of a diverse array of specimens. Joblot showed that microbes were produced by multiplication of microbes brought in on the hay or suspended in the air, not spontaneously. Also he was the first to address the issue of the origin of microbes in infusion of decaying organic materials experimentally. He reasoned that there were three formal possibilities for the microbes that suddenly appeared in the hay infusions. They were products of multiplications of microbes that came in with the hay; they were also products of microbes that settle out of the air; or they where spontaneously generated from the materials of the decaying hay.
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He died in 1730
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Louis Joblot has written: 'Observations d'histoire naturelle, faites avec le microscope, sur un grand nombre d'insectes..'
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The Joblot Recruits - 1914 was released on: USA: 14 September 1914
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L. Joblot has written: 'Observations d'histoire naturelle, faites avec le microscope'
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