, 7 tweets, 8 min read Read on Twitter
Relevant context: In the April 1910 issue of the journal @sciencemagazine, the #American #historian of #medicine Fielding Hudson Garrison writes: "Kircher's "Scrutinium pestis," one of the acknowledged landmarks in medical #progress, was published in #Rome in 1658, at least
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.. seventeen years before #Leeuwenhoek's discovery of the #infusoria (1675) and twenty-five years before his #RoyalSociety paper on the #microorganisms found on the teeth (September 17, 1683); so that making every allowance for the skill and proficiency of #seventeenthcentury
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.. #opticians in grinding and polishing #lenses, the question whether #Kircher's lenses were better or worse than #Leeuwenhoek's is one of those "improbable problems" that each one can settle according to his personal preferences. No one will deny that Kircher saw some minute
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.. organisms under his glass, but my quotation from #Puschmann's "Handbuch" to the effect that this glass was "only a 32-power at best" was, I think, taken from a most authoritative source, Loeffler's "Vorlesungen," and certainly between this statement and Kircher's own
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.. #romantic assertion that his lenses magnified a thousandfold, there is opportunity for extreme latitude of opinion. If Kircher's #microscope still exists, say in the #Vatican collection or any other collection left by him, the point might perhaps be settled by having the
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