UNT Libraries Government Documents Department - 4 Matching Results

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Device for Ringing Bells.

Description: Patent for improvements in the construction of devices for ringing bells, including illustrations.
Date: February 25, 1879
Creator: Perry, Elton

Improvement in Fire-Lighters.

Description: Patent for a device which allows the lighting of "fires, lights, blasts, &c., by a person located some distance from the object to be ignited." (lines 7-10) Includes instructions and illustrations.
Date: November 18, 1879
Creator: Craig, Samuel M.

Improvement in the Manufacture of Hydraulic Stone.

Description: Patent for improvement in the manufacture of Hydraulic Stone to furnish and improved artificial stone for use in different purposes that can resist weather changes without being affected.
Date: September 16, 1879
Creator: Dimelow, John

Solar-Time Instrument.

Description: Patent for a new and improved solar-time instrument with "the telescopic tube provided at one end with a lens, and at the other end with a removable diaphragm having horizontal and vertical lines marked thereon" (page 2).
Date: September 9, 1879
Creator: Hayford, Samuel
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