Show machinery and men since 1846 machinery has on an enormous scale supplanted manual labor the knotter of the self binder completes a round of mechanism which threatens to make the farmer a man of sedentary habits if the cotton boll remains unpicked by machinery it may be because the botanist must first produce a plant maturing all at once instead of at successive periods in superseding the hand the inventor often succeeds by beata far removed from imitation replaces the typesetter by arranging matrices from which lines of solid metal are cast Lans tons machine for a similar purpose exemplifies a noteworthy aim of invention initiation by means involving the slightest exertion possible an operator at a keyboard symbolizes a manuscript as a series of punctures in a strip of paper the pinholes pinh olea free pulses of compressed air which actuate the machine initiation however reaches its final form in electrical devices A clerk in new york perforates successive messages on a paper ribbon which driven between electrical springs transmits words a minute to philadelphia intelligence in such a feat aal this is given only that part of a task for which it is indispensable all else is committed to mechanism actuated at a speed and with a force denied to nerve or muscle self culture |