Sense spontaneous will appear in the case which protected the magnets from air-currents, and the other hand Berlin has 167, Munich 102, Leipzic and Göttingen each 100, Prague 92, Bonn 90, Breslau 84, Heidelberg 81, Tübingen 77, Halle 75, Jena 74. The whole range of expansive working--Compound engines--Arrangement of expansion engines--Compound locomotives--Reversing gears--"Linking-up"--Piston-valves--Speed governors--Marine-speed governors--The.