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17,613 · Wolvin · "Ventilating Vault and Platform Light" · Page 2 Home > Prism Glass > Patent Index > Page 2 |
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Up: Patent Index |
17,613 · Wolvin · "Ventilating Vault and Platform Light" · Page 2 Home > Prism Glass > Patent Index > Page 2 |
17,613: 2 of 3 |
|
of india rubber or other elastic material, or cement, and make a tight
joint with the glass as specified. 3. I also claim the gutter 5, formed at the center c, of the radial bars b, in combination with the perforated clamping plate f and pipe g as specified. |
In witness whereof I have hereunto set my
signature this eighteenth day of May 1857.
LEMUEL W. SERRELL, THOMAS G. HAROLD. |