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.
It was 1870 when William Lyman invented the familiar household can opener. This openerâs sharp rod pierced the canâs center, an adjustable lever clamped over the can, and then a cutting wheel rotated around the canâs rim.
The most important invention of the Renaissance, and perhaps in the history of the world, was the printing press. It was invented by German Johannes Gutenberg around 1440. By 1500 there were printing presses throughout Europe.any of the great scientific discoveries made during the Renaissance were in the area of astronomy. Great scientists such as Copernicus, Galileo, and Kepler all made major contributions. This was such a big subject that we devoted an entire page to it. Learn more about it at our page on Renaissance Astronomy.