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Spencer Lens Company | lit.salon
Spencer Lens Company
No biography is available for this author yet.
Books by Spencer Lens Company
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Some facts about Spencer microscopes in their relation to medical work
1900
Spencer Lens Company
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I saw them making microscopes
1937
John Thomas, N.Y.) Spencer Lens Company (Buffalo, Spencer Lens Company
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The evolution of the microscope important names and contributions aiding the progressive development
1937
Spencer Lens Company
