Volker-Craig ltd.'s products offered a way to display information electronically before PC monitors became the norm in households.
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The new technology, outlined in a paper published last week in the journal Nature Energy, was inspired by the way plants use energy from sunlight to turn carbon dioxide into food.
McKee Brothers
The McKee One Man Harvester allowed a farmer to harvest and store his crop of hay single-handedly using only one tractor rather than more labour-intensive baling equipment.