3 and out" the card, ends in another that is, draw or pawl that en- trace the card gages one of the upon the copper notched steel plate, and after- rings 6 or 7. ward go over It There are two slowly and pa- such pawls and tiently by hand sleeves, one on with the grav- either side of ing tools to… … used, the opera- but the price is A Finished Chart, Showing the Engraved Compass Card, Upon the Accurate xnc macmne Set for Cutting Letters and tor sets it over high, and the Position of Which, the Accuracy of the Chart Depends. Figures on the Compass Cards of Charts. the plate where machines are…
Object · Knots · Provide · Patents · Device · Scientific American · Machine · Des chemins · American march · American supplement · American supplements · West point · Letters patent · Linseed oil · Compass card · Speech curves
Internet Archive · Public domain (published before 1931). Free to use for anything.
