Show knots tied by machinery it if inventions continue to multiply nt at the present rate the day may speed speedily fly come when man will have to sit alt with folded arms while his bis work and even his is pleasures are turned out tor for hit him science lias has lately given us a marvel in the shape of a card counting machine two of these most interesting automata now vor working king are used for counting and tying postal carda into small bundles bundies J two of the machines are capable of counting cards in ten hours and wrapping and tying the same ila in packages of twenty five each in this operation the paper is pulled off n drum by ano long fingers 1 l come up from below and another linger finger dips in a vat of gum and applies to the wrapping paper in exactly tho the right spot other parts of the machine twine the paper around the pack of cards and then a thumb presses over the spot where the gum Is and the package tied with the paper slip is thrown upon a carry belt ready for or delivery science news |