Philadelphia Area Archives

Start Over Subject Science on postage stamps Form Archival materials Year [Missing]

National Exposition of Chemical Industries Commemorative Stamp Collection, undated

Extent:: 0.1 linear feet (1 folder.)
Abstract:: A collection of two commemorative stamps celebrating two iterations of the National Exposition of Chemical Industries.

Held at: Science History Institute Archives [Contact Us]

Mary Ellen Bowden German Stamp Collection, undated

Extent:: 0.1 linear feet (1 folder.)
Abstract:: A collection of six stamps of two types printed in Germany, which were collected by Mary Ellen Bowden.

Held at: Science History Institute Archives [Contact Us]