(Encyclopedia) Stuart or Stewart, David, duke of RothesayStuart or Stewart, David, duke of Rothesayrŏthˈsē [key], 1378?–1402, Scottish prince; son and heir apparent of Robert III. On his father's…
(Encyclopedia) cam, mechanical device for converting a rotating motion into a reciprocating, or back-and-forth, motion, or for changing a simple motion into a complex one. A simple form of cam is a…
(Encyclopedia) rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end…
