Communications at Sea Exhibit

"Sparks, Waves and Wizards:Communications at Sea" tracks the colorful history of maritime communication.

PHOTO DETAILS:

• Spark Gap Wireless First Shipboard Radios
  
• Satellite Networks
• Works of Wizards
• Flag Signals
• Signal Stations on Telegraph Hill
• Blinker Lights
• Weather Watch
• Shore Station
• 100 Years of Morse Code
• Single Sideband
• Vacuum Tube Radio