ng of spring balance, which he has devised for measuring wheel, preferably having sixteen radial fingers. The plate, C, Fig. 3, fixed to the under side of the forward terrestrial gravity. shaft is mounted in bearings at the rear end of a sup- end of the slide, B. This platecarriesa stop, D, which… … required to bring the weight from the bal- anced position to the level position. Accord- . FRAZURE’S CHECK ROW CORN PLANTER. ing to Sir William Thomson, such an appar- atus as he has constructed is sensible to a forty-thou- under side of the upper cross bar of the frame when shaft revolves, strike…
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