Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood.

Hydraulic Jack with pressure gauge, breaks 2"x2" piece of wood. The hydraulic jack is fitted with pressure gauge and frame. A block of wood is inserted in the jack. Pumping on the handle crushes the wood block. (Pascal's Principle.) FLUID STATICS.
UCB Index: 
C+30+10
PIRA Index: 
2B20.60
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