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20,721: 3 of 3

Fig. 1 Fig. 2
First: 8,058X · Rockwell · "Vault Light" · Drawing Last: 397,371 · Deutsche Glasbau-Gesellschaft · "Improvements in Moulds for use in the Construction of Floor Slabs, Wall Panels, Pavement Lights, Windows and the like of Glass Framed in Ferroconcrete" · Drawing Prev: 20,484 · Cornell · "Admitting Light and Air through Steps, &c." · Drawing Next: 21,050 · Hyatt · "Illuminating-Glass for Vault-Covers" · Drawing Navigation
Drawings: 24 of 667 		20,721 · Leonard & Jackson · Illuminating-Cover for Vaults, &c.