Treasure Vault for Railway Cars. (open access)

Treasure Vault for Railway Cars.

Patent for a new and improved safe. This design consists in "a safety treasure-vault for express cars, &c., with the combination of the walls, floor, and roof of the vault constructed of bullet-proof steel plate riveted together at their corners, and the angle-irons to which the walls, floor, and roof are riveted, the bullet-proof steel-plate door, the parcel-delivery window, the combined desk-shelf and bullet-proof shutter, the said vault provided with a port-hole and the bullet-proof plug that stops the port-hole" (lines 21-31).
Date: July 3, 1888
Creator: Olsson, Joseph
System: The Portal to Texas History
Earth Borer and Excavator (open access)

Earth Borer and Excavator

Patent for an Improvement in Earth Boring and Excavating Machines whereby the machines may operate continuously except for the addition of shaft and belt sections.
Date: July 24, 1880
Creator: Carley, John Wesley
System: The Portal to Texas History
Cotton Gin Attachment. (open access)

Cotton Gin Attachment.

Patent for a new attachment for cotton gins. This design consists in "[t]he combination, in a cotton-gin, of the carrier, feed-roller, having teeth or projections, and the adjustable sliding rake . . . [and] the combination of the carriers, the latter having covering, receiver, toothed feed-roller, adjustable rake, gin-saws, and brush" (lines 68-75).
Date: July 12, 1881
Creator: Compton, Willis W.
System: The Portal to Texas History