Georg Gőbel, a machinist in Darmstadt, Germany, obtained a U.S. patent for a distance and velocity recorder in 1878. This is the model he submitted with his patent application. The inscription on the dial reads "Gobel's Patent."
Ref: Georg Gobel, “Distance and Velocity Recorder,” U.S. Patent 202,433 (April 16, 1878).
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.