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.
The most important invention in the History of Mankind is the WHEEL .. but our most important discovery is HOW TO MAKE FIRE. The discovery of DNA. It has helped so much- from solving crimes to diagnosing and curing diseases.