Improvement in Wood Pavements.
Description:
Patent for a new and improved construction of Bois D'Arc Pavement, which uses two layers of planks that cross at right angle as a base, sand to hold bois d'arc blocks in place and fill gaps in between, and coal-tar covering planks to prevent sand from shifting. It includes illustrations.
Date:
January 14, 1879
Creator:
Shellenberger, Samuel Luther
Item Type:
Refine your search to only
Patent