All About Pivots, part 1
PIVOT DOOR COMPANY
COLORADO SPRINGS, CO
Pivot Hinges, which pivot in openings in the floor and the top of the door frame. Also referred to as a double-acting floor hinge. This type is found already in ancient dry stone buildings. Above photos are of old construction of hinges in the dry stone wall near Bignasco, Swiss Italian.
Source: Scottsdale Arts Factory, http://www.artfactory.com/interesting-facts-and-history-about-hinges-p-3223.html
COLORADO SPRINGS, CO
Pivot Hinges, which pivot in openings in the floor and the top of the door frame. Also referred to as a double-acting floor hinge. This type is found already in ancient dry stone buildings. Above photos are of old construction of hinges in the dry stone wall near Bignasco, Swiss Italian.
Source: Scottsdale Arts Factory, http://www.artfactory.com/interesting-facts-and-history-about-hinges-p-3223.html
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