Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 387
ch differs from the squarebolt in not having as long aslide, and the end of the case isclosed. Square bolts of thesepatterns are not usually over 4inches long, while barrel boltsare made 3, 4, 5, 6 and 8 incheslong. Small barrel and squarecase bolts may be obtained insolid bronze. Cast iron bolts… … Fig. 403. —Gem Bolt.
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