at- springing, and still allows the wheel to have has invented an instrument or scale for mea- rial or to the cutters, or to both the material suring watch crystals, the nature of which and cutters together, with the requisite tools consists in forming a base having a graduated tor various… … steamboat Rotary Experiment tor the pur- use of burden carsor wagons, will readily ob- side plate, 5, is bolted to either side of the object required. pose of observing the operation, speed, &c., of irame or pieces, C, and is formed with hooks serve the advantage they can derive from the this…
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