Don Mills, Ont. : Southam-MacLean Publications · leaf 288
oles are for the shells and are a differentsize in each diaphragm. Those in the diaphragm near-est the removable end are 3 13/16 inches in diameter,those in the centre diaphragm are 3 13/32 inches indiameter, while those in the diaphragm nearest theclosed end are 3Y inches tapered down to 2… … BOUND TIGHTLY IN THE GROOVES i 3ECURC0 BY ° IHSiBS /ClYAILS ABOUT 5APART Fig. 3—Side and End Elevation of New Bethlehem Shell Box, Showing Central Spindle [in dotted lines] that Holds Removable End in Place.
Furniture industry and trade · Woodworking industries
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.