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Lubricating Device.

Description: Patent for a new and improved lubricating device. This design consists of "[t]he combination, with the cross-head of an engine or other reciprocating part of machinery, and the guides or ways on which it works, of a reservoir for the lubricant, a wheel for taking up and applying the same to the friction-surface with which the wheel works in contact, and a spring for supporting the wheel" (para. 10). This design prevents dust and other pollutants from entering the reservoir.
Date: January 22, 1878
Creator: Walton, Franklin B.
Item Type: Refine your search to only Patent

Improvement in Speed-Measures.

Description: Patent for a "means for indicating the degree of speed with which an engine or train of cars is passing over a rail-road, and for enabling an engineer to regulate the speed of his engine to conform to the 'time' enjoined by his table, so that he will run at an even degree of speed, and be required neither to 'slow down' to save his schedule nor quicken the pace of his engine to make up lost time." (Lines 15-23) Includes instructions and illustrations.
Date: June 22, 1875
Creator: Minton, Stephen F.
Item Type: Refine your search to only Patent

Improvement in Manufacturing Anti-Corrosive Compounds.

Description: Patent for "an anti-corrosive coating for iron and all other metals, and one which in all respects does positively preserve the same, and into the composition of which enters as an element neither lead, oil, nor any other ingredient that contains any destructive or otherwise deleterious acid or alkali." (Lines 7-13) Includes instructions.
Date: December 22, 1874
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
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