Field or Pocket Microscope marked "Junior", c. 1925. Made by Spindler & Hoyer, Gottingen
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Bresser Junior Microscope 40x-640x
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Bresser Junior Microscope 40X-1024X
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China 40X-1000X Biocular Economy Student Microscope/Compound Educational Mikrsokop for Junior School and High Shcool Students - China Student Microscope, Junior School Mikroskop
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