Since we havent used our combine for many years, I would need to pay someone to do the combining too. Alfalfa/grass hay is going for around $3/bale now, so I would need to make $3000 off the field to pay for the hay I need. Risk in combining is messing up the alfalfa if the oats get flattened or the windrows get rained on. YT Home | Forums.
Erasers. In 1770, the first version of the rubber eraser was sold by an English optician and engineer named Edward Nairne. Edward got his invention by accident âhe meant to pick up bread crumbs to erase some pencil markings, as was common at the time, but his hands landed on a nearby piece of rubber.
Valerie Thomas is a scientist and inventor. She invented the illusion transmitter, for which she received a patent in 1980. Thomas has been awarded the Goddard Space Flight Center Award of Merit and the NASA Equal Opportunity Medal. EDUCATION: Thomas was interested in science as a child, learning at the age of 8 about electronicsâ¦