American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 158
, otherwise you may have your workall to go over again, as one particle of coarserpowder mixed with a finer grade will make ascratch that takes time to remove with acoarser grade than the one you are using whenthe scratch occurs. Mr. Royal Cowles, of Cleveland, Ohio, usesa very neat little tool for… … to construct one. A is the handle, either ofwood or metal; B the outer disk, which neednot be over f in diameter; C the inner disk, orpolisher; D screws with a centre on the end ofeach ; E the joint or collar connecting the outerdisk to the handle. If the handle is wood, apiece of brass or steel…
Clocks and watches
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