Microscopes and Accessory Apparatus: Catalogue No. 40 — b. Illuminating Apparatus of Stands Ia and Ib (p. 30, 32, 34).

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Microscopes and Accessory Apparatus: Catalogue No. 40 b. Illuminating Apparatus of Stands Ia and Ib (p. 30, 32, 34). · ch 19/97

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