UNT Libraries Government Documents Department - 4 Matching Results

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Improvement in the Manufacture of Hydraulic Stone.

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

Item Type: Patent

Improvement in Fire-Lighters.

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.

Item Type: Patent

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

Item Type: Patent

Device for Ringing Bells.

Patent for improvements in the construction of devices for ringing bells, including illustrations.

Date: February 25, 1879

Creator: Perry, Elton

Item Type: Patent

UNT Libraries Government Documents Department - 4 Matching Results

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Improvement in the Manufacture of Hydraulic Stone.

Improvement in Fire-Lighters.

Solar-Time Instrument.

Device for Ringing Bells.