Wanted: Antique microscopes by John W. Sidle and Co. of Lancaster PA. or Sidle and Poalk of Philadelphia.

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Purchasing brass microscopes made by John W. Sidle and Co. of Lancaster Pa. , Sidle and Poalk of Philadelphia, and the Acme Optical Works.

Also buying all kinds of antique brass microscopes and accessories. Old microscope oil lamps, prepared slides, and slide cabinets. Other types of antique scientific instruments also wanted.

Here is a link to a microscope signed by Sidle and Poalk in my collection: