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13 blueprints available • 10 subcategories
Blueprints (13)
The Laser Communicator
ni Ed
Laser
0
0
0
0
0
0
The Loading Coil
ni Emma
Electromagnetism
0
0
0
0
0
0
Syntonic Tuning
ni Penny
Electromagnetism
0
0
0
0
1
0
The Carbon Microphone
ni Peter
Acoustics
0
0
0
0
0
0
Quadruplex Telegraphy
ni Mark
Electronics
0
0
0
0
1
0
Baudot Code and the Teleprinter
ni Pixel
Digital
0
0
0
0
1
0
The Submarine Telegraph Cable
ni Mary
Materials
0
0
0
0
1
0
The Pantelegraph
ni Martin
Mechanics
0
0
0
0
0
0
The Telegraph Relay
ni Ed
Electronics
0
0
0
0
2
0
The Chappe Semaphore Telegraph
ni Astro
Optics
0
0
0
0
2
0
Telegrafo Senza Fili di Marconi
ni SignoraRosa
TECHNOLOGY
16
0
0
0
0
0
Making a Bull-Roarer — Whirling Sound Instrument
ni Woody
Sound
29
0
0
0
0
0
Forming a Clay Whistle — Prehistoric Sound Instrument
ni Clay
Prehistoric
60
0
0
0
0
0