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- 2KW Radio Transformer and Reactance, 1917 -
- 1917
- Collections - Artifact
2KW Radio Transformer and Reactance, 1917
- German Field Telephone, circa 1915 -
- circa 1915
- Collections - Artifact
German Field Telephone, circa 1915
- Power Source for Navy Radio Transmitter, 1918 -
- October 01, 1918
- Collections - Artifact
Power Source for Navy Radio Transmitter, 1918
- Lowenstein Quenched Spark Gap Transmitter, Type A-16G, Used aboard the USS Rowan, circa 1916 - Spark gap transmitters were the first means of practical radio transmission for the first thirty years of radio development. By the end of WWI, vacuum tube technology advanced sufficiently, replacing the spark gap. Even though the vacuum tube ensured more efficient and reliable transmissions, commercial use of spark gap transmitters continued up until WWII as back-up transmitters.
- circa 1916
- Collections - Artifact
Lowenstein Quenched Spark Gap Transmitter, Type A-16G, Used aboard the USS Rowan, circa 1916
Spark gap transmitters were the first means of practical radio transmission for the first thirty years of radio development. By the end of WWI, vacuum tube technology advanced sufficiently, replacing the spark gap. Even though the vacuum tube ensured more efficient and reliable transmissions, commercial use of spark gap transmitters continued up until WWII as back-up transmitters.
- Military Suitcase Radio, 1940-1945 -
- 1940-1945
- Collections - Artifact
Military Suitcase Radio, 1940-1945
- "At a General Assembly of the Governor and Company of the State of Connecticut...," August 13, 1777 - Printed broadsides were used to distributed news and information quickly during the Revolutionary War era. This broadside from 1777 announced that the governor and general assembly of Connecticut had ordered two militia battalions to be formed and sent to support the Continental Army. Many of these men would march to New York and help defeat the British in the Battles of Saratoga.
- August 13, 1777
- Collections - Artifact
"At a General Assembly of the Governor and Company of the State of Connecticut...," August 13, 1777
Printed broadsides were used to distributed news and information quickly during the Revolutionary War era. This broadside from 1777 announced that the governor and general assembly of Connecticut had ordered two militia battalions to be formed and sent to support the Continental Army. Many of these men would march to New York and help defeat the British in the Battles of Saratoga.
- Nichols Loose Coupler Radio Tuner, 1913-1914 -
- 1913-1914
- Collections - Artifact
Nichols Loose Coupler Radio Tuner, 1913-1914
- Letter from George Washington to General Israel Putnam, 1776 -
- May 22, 1776
- Collections - Artifact
Letter from George Washington to General Israel Putnam, 1776
- Elbow Wave Guide, 1940-1946 -
- 1940-1946
- Collections - Artifact
Elbow Wave Guide, 1940-1946
- 2KW Radio Transformer, 1918 -
- 1918
- Collections - Artifact
2KW Radio Transformer, 1918