Microscopes and Accessory Apparatus: Catalogue No. 40 — of the Achromatic and Apochromatic Objectives in combination with the Huyghenian Eye-pieces. Tube-length 170 mm. Distanc

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Microscopes and Accessory Apparatus: Catalogue No. 40 of the Achromatic and Apochromatic Objectives in combination with the Huyghenian Eye-pieces. Tube-length 170 mm. Distanc · ch 12/97

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