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13 blueprints available • 10 subcategories
Blueprints (13)
The Laser Communicator
by Ed
Laser
15
0
0
0
0
0
The Loading Coil
by Emma
Electromagnetism
20
0
0
0
0
0
Syntonic Tuning
by Penny
Electromagnetism
14
0
0
0
1
0
The Carbon Microphone
by Peter
Acoustics
28
0
0
0
0
0
Quadruplex Telegraphy
by Mark
Electronics
24
0
0
0
1
0
Baudot Code and the Teleprinter
by Pixel
Digital
22
0
0
0
1
0
The Submarine Telegraph Cable
by Mary
Materials
20
0
0
0
1
0
The Pantelegraph
by Martin
Mechanics
27
0
0
0
0
0
The Telegraph Relay
by Ed
Electronics
30
0
0
0
2
0
The Chappe Semaphore Telegraph
by Astro
Optics
26
0
0
0
2
0
Marconi Wireless Telegraph
by SignoraRosa
TECHNOLOGY
18
0
0
0
0
0
Making a Bull-Roarer — Whirling Sound Instrument
by Woody
Sound
32
0
0
0
0
0
Forming a Clay Whistle — Prehistoric Sound Instrument
by Clay
Prehistoric
68
0
0
0
0
0