Cobb Island is a small island located at the confluence of the Potomac and Wicomico rivers in southern Charles County, Maryland, United States. It is...

Maryland Route 254 (MD 254) is a state highway in the U.S. state of Maryland. Known as Cobb Island Road, the state highway runs 1.25 miles (2.01 km) from...

frequency 10 kHz interrupter, over a distance of one mile (1.6 km) at Cobb Island, Maryland, US. His first transmitted words were, "Hello. One, two, three,...

doing developmental work for the United States Weather Service on Cobb Island, Maryland. Because he did not yet have a continuous-wave transmitter, initially...

transmitter. While working for the United States Weather Bureau on Cobb Island, Maryland, Fessenden researched using this setup for audio transmissions via...

speech over a distance of about 1.6 kilometers (one mile), from Cobb Island, Maryland, which appears to have been the first audio radio transmission....

L. Higdon Elementary, both serving the entire Cobb Neck peninsula (i.e. all along MD 257 to Cobb Island). Newburg also is the northbound terminus of the...

Caleb W. Jones, Cobb Island, Maryland. Built in 1953 in Reedville, Virginia. Dredge #51. City of Crisfield, Deal Island, Maryland. Built in Reedville...

vacuum-tube. Fessenden's initial Weather Bureau work took place at Cobb Island, Maryland, located in the Potomac River about 80 kilometers (50 mi) downstream...

The Cobb Point Bar Light (also called Cobb Island Bar Light) was a screw-pile lighthouse located in the Potomac River. A light at Cobb Point was first...