5 Matching Results

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Improvement in Churn-Dashers. (open access)

Improvement in Churn-Dashers.

Patent for "construction and arrangement of a churn-dasher..." ( lines 13-14) including instructions and illustrations.
Date: September 7, 1875
Creator: Bright, John, D.
System: The Portal to Texas History
Improvement in Sad-Iron Heaters. (open access)

Improvement in Sad-Iron Heaters.

Patent for improvements to sad-iron heaters, including illustrations.
Date: September 7, 1875
Creator: Cottingham, Gideon Wesley
System: The Portal to Texas History
Improvement in Rotary Spade-Cultivators (open access)

Improvement in Rotary Spade-Cultivators

Patent for a rotary spade-cultivator that is secured to a frame, which is attached to the rear of a vehicle.
Date: December 7, 1875
Creator: Brodnax, David W., Sr.
System: The Portal to Texas History
Improvement in Adding-Machines. (open access)

Improvement in Adding-Machines.

Patent for an improved adding-machine design.
Date: December 7, 1875
Creator: Butt, Dennis, L. R.
System: The Portal to Texas History
Improvement in Processes of Coloring Enameled Photographs. (open access)

Improvement in Processes of Coloring Enameled Photographs.

Patent for improving the coloring process of enameled photographs by using collodio-gelatine instead of warm gelatine.
Date: September 7, 1875
Creator: Williams, William W.
System: The Portal to Texas History