Official Gazette of the United States Patent Office

slot canyons like The Narrows Most people hike The Narrows in the summer and early fall when the water tends to be at its warmest and the water level drops

water which floats the bucket cannot be blown out when the trap discharges drops , water is forced out by steam pressure , through the central tube

drops of water slot Acting like a magnetic clock, the magnetised drops of liquid can then be controlled to move around in specific patterns, like slot cars on a

virginia slot canyon water and steam tube encircling the said fire - tube and provided with a slot therein , and a pro- jection extending downwardly into said slot from