[Coggeshall, William Turner], 1824-1867, [from old catalog] ed · Columbus, Follett, Foster and company · leaf 168
al, which is left between the top and bottom ofthe types of every two adjoining columns, is compensated bycolumn-rules, made thicker at the top than at the bottom inthe same proportion. The middle column-rule is fixed. Thecolumns are locked up in the galleys by means of screws, andthe column-rules… … PRINTING. ] [ Plate 14.
Printing · Pottery · Gas, Illuminating · Iron industry and trade · Glass manufacture
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