NAPA used to sell Walker jacks, check with them.
Hydraulic jacks are always made of steel. No other material would be able to take such internal pressure
If we consider the friction or screw jacks used to lift a vehicle to change a flat, almost all of those are made entirely of metal (steel). In the case of hydraulic jacks, they are made largely of steel, and have rubber for seals and hydraulic fluid to provide the media to perform the hydraulic work.
Madam Walker did not make the straightening comb. It existed in the 1870s when she still was a child. She was born in 1867.
synthetic hydraulic fluid made for phosphate-ester base
Pressure by the hydraulic pump is made​​.
balls
Pop corn and peanuts.
not all !
The Jaws of Life are made of metal and use a hydraulic system. The official name is "Hydraulic Rescue Tool".
Hydraulic.
Depends on the year. All Accords' made after 1989 have a hydraulic clutch.
Chris Walker made The Forging Guild.