ment of two dashers, which are operated by means of showing ‘the internal construction; and Fig. 3 shows the pen about to two disks provided with pins that take in the slotted shafts of the be closed to be carried in the | be served up as tender and juicy as the best cuts. sembles many of the… … writing materials. THE MACKINNON PEN OR FLUID PENCIL. plate, A, but any tendency This pen has several advan- to clog is prevented by a tages over its competitors, incisions with a sharp instrument, which will sever the fibers the most important of which are: The improved valve, which series of…
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