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6,991 · Nelke · "Improvement in Incidence Windows or Vault Lights" · Drawing
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6,991: 3 of 3

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: 342,030 · Nelke · "Incidence-Window" · Drawing Next: 345,105 · Braun · "Combined Sidewalk Light and Ventilator" · Drawing Navigation
Drawings: 261 of 667
A.D. 1886. MAY 25, Nº 6991.
NELKE'S COMPLETE SPECIFICATION.
Figure 1 Figure 3
Figure 2
Figure 4 Figure 5