H. J. Schmidt

• Axiomatic Characterization Of Physical Geometry
• Current topics in mathematical cosmology
• American and European process notes
• An American letter
• An American's views of British process engravers and a few timely comments
• Observations on European and American process work
• Scraps of international gossip
• Some observations on half-tone printing and etching
• Topics of interest to process workers of the old and new worlds