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Manual of the Bouton Foundry Company, 1887 (1887)

Bouton Foundry Company · Bouton Foundry Co. · leaf 171

An illustration from Manual of the Bouton Foundry Company, 1887, 1887, leaf 171
VlE-v/ 0/ pl/^rt&E^ ColumnENcy=»s.ep; *vitm J^iN, Sttua JtL& Ti« PRSErKrtblNO. G-tAQKRS •a a 3 BOUTON • FOUNDRY • COTCPKNY, 2600 Archer Avenue, Chicago. CIRCUMFERENCES OF CIRCLES. Advancing by Eighths. CIRCUMFERENCES. i5 .0 ■H M • % .« -% .% •% 0 .0 .3927 .7854 1.178 1.570 1.963 2.356 2.748…

Building materials · Architectural ironwork · Structural Steel Framing · Decorative Metal · Decorative metal castings · Steel-framed entrances and storefronts · Metal doors and frames

Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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