Misc: What two countries were known as "the yellow peril" in the 1890's ?

Questions

henry ford, adolf hitler, frank sinatra, orville and wilbur wright?

humor, mannered, suited, take?

In dentistry, what are "angle irons" and 'rolex'?

In engineering, the measurement or control of equipment by fluid jet devices.?

In english mythology, who caused the death of the lady of shallot?