Employment for the microscope : in two parts (1764)
Baker, Henry, 1698-1774 · London : Printed for R. and J. Dodsley · leaf 470
them frequently foon other Occaiions. Pulling the Body ofthe Inftrument up and down was like wifefubjeft to Jerks^ which caufcd a Difficulty iniixinp- it exad;lv at the Focus : there was al»fo no good Contrivance for viewing opake-Obje^fts. Complaining of thefe Inconvenien-cies, Mr. Ciiff\ the…
Microscopy
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