is case, the piece K, being rebated into A and C,cannot be driven down. Fig. 29 represents an example of another type ofhollow work, which, however, is not called boxing up,but lagging or lag^in^ up. This method may be definedas the building of patterns with longitudinal strips thatrun parallel… … FiG. 29 tern and mold. B B are cross bars of polygonal shapeon which the strips or lags are laid and fastened withglue and screws. The lags are also glued to each otherexcept on the line A A. Fig. 30 illustrates another way of building by lag-ging. In this way much narrower strips are used,…
Patternmaking
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