But eventually, other inventors and companies sprang up with their own steam shovel designs to feed the exploding demand to move earth faster -- a demand created by railroad expansion in the United States and elsewhere. The first"full-swing" steam shovel-- one in which the bucket and arm co...
But eventually, other inventors and companies sprang up with their own steam shovel designs to feed the exploding demand to move earth faster -- a demand created by railroad expansion in the United States and elsewhere. The first"full-swing" steam shovel-- one in which the bucket and arm co...