Keywords: people portrait Catalog #: 13_000650 Title: Louis Blumenthal, 1861-1943, inventor of Heliotype Flying Machine Additional Information: NHHS Collection Box 10 NHHS #: 1999.002.001 Catalog #: 13_000650 Title: Louis Blumenthal, 1861-1943, inventor of Heliotype Flying Machine Additional Information: NHHS Collection Box 10 NHHS #: 1999.002.001 Louis Blumenthal.jpg en Louis Blumenthal 1861-1943 inventor of Heliotype Flying Machine 2012-06-19 http //www flickr com/photos/sdasmarchives/7369859566/in/set-72157627928485093/ San Diego Air Space Museum cc-zero Uploaded with UploadWizard Aerospace engineers Catalog #: 13_000650 Title: Louis Blumenthal, 1861-1943, inventor of Heliotype Flying Machine Additional Information: NHHS Collection Box 10 NHHS #: 1999.002.001 |