"Grasshopper-beam. a, rocking pillar; b, radius-bar of the parallel motion which secures verticality to the piston-rod. GRASSHOPPER-BEAM. A form of working-beam used in some steam-engines." -Whitney, 1911

Grasshopper-Beam

"Grasshopper-beam. a, rocking pillar; b, radius-bar of the parallel motion which secures verticality…

A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed fuels such as, aerosol gasoline, Ethanol, and Liquefied petroleum gas by means of an electric spark.

Automotive Sparkplug

A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines…