Recent developments have shown strong trend towards installation of automobile jacks; first type is hydraulic jack, (Levator, Rak-Heber) which does away with work of releasing, since built-up pressure can be released by means of control valve; second type is built into car (Herberut) and lifts car automatically.
Recent Automobile Jacks
Neuzeitliche Wagenheber
Automobiltechnische Zeitschrift ; 32 , n 14
1929
2 pages
4 Figs.
Article (Journal)
German
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