Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 26, 2025
As some flour-gold is here found, the cradle-bottom should be cut with cross-grooves to hold mercury; and the latter must be tempered with sodium or other amalgam. The cradle begat Long Tom and Broad Tom, the 'tom' proper being the upper box with a grating to keep out the pebbles.
Hence Trevithick, in his patent, provided that the periphery of the driving-wheels should be made rough by the projection of bolts or cross-grooves, so that the adhesion of the wheels to the road might be secured. Following up the presumed necessity for a more effectual adhesion between the wheels and the rails, Mr.
Word Of The Day
Others Looking