National Geographic : 1939 Feb
DINOSAUR STEEL TEETH SPEED TWO MILES A MINUTE The mirrorlike band saw in a Scotia mill is 65 feet long and 16 inches wide. The "molars," one and a quarter inches deep, are set three inches apart. They are changed every three hours to keep their keen edge. The workman waits to ease the fall of the plank which will be sliced off on the log's return trip. Photographs byB.Anthony Stewart 90MILES, 12HOURS, $10 "First thing I did after atrip was pick up dozens of women's hairpins," recalled the former driver of this stagecoach. "The road was rough; how we banged, bumped, and bruised those passengers!" Leather straps tie the rugged framework to enormous springs and high axles (page 183).