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	1.	No cover image available The Microscope: theory and practice/ by Conrad Beck by Beck, Conrad, 1864- [author.] Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: London: R. &. J Beck , Ltd, 1938 Availability: Items available for reference: NIH Library: Not for loan (1)Call number: N QH205 bec 1938. Add to cart (remove)
	2.	No cover image available The Microscope: A Simple Handbook/ by Conrad Beck by Beck, Conrad, 1864- [author.] Edition: 2nd ed. Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: London: R. J. Beck, Ltd, 1923 Availability: Items available for reference: NIH Library: Not for loan (1)Call number: N QH205 bec 1923. Add to cart (remove)

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