Timekeeping

• The Official U.S. Time
• A Walk Through Time

Early Telegraphy

• Vom Urknall des Internet (Sömmering, Wheatstone, Morse)
• Die elektrische Telegraphie (Sömmering, Ronalds, Cooke, Wheatstone, Morse)
• von Sömmering's Telegraph
• The First Telegraphs(Aeneas)

Early Television

• George du Maurier, Edison's Telephonoscope (1878)
• Telecommunication of Graphical Information (Caselli)
• "Seeing by electricity", Scientific American, June 5, 1880 (Carey)
• Paul Nipkow, Elektrisches Teleskop
• The World's Earliest Television Recordings - Restored! (Baird)
• The Farnsworth Chronicles

Part 15 Regulations

• 47 CFR Part 15 The text of the Part 15 Regulations.
• UNDERSTANDING THE FCC REGULATIONS FOR LOW-POWER, NON-LICENSED TRANSMITTERS Contains a table of allowed emissions by frequency.

Homemade Radios

• Building a very simple AM voice transmitter.
• AM band Transmitter
• Micro Power AM Broadcast Transmitter
• VEC-1290K AM Transmitter Kit
• Deluxe Direct Conversion Receiver
• Softrock-40

Early Homemade Computers

• Electronics Illustrated, January, 1960.
• Electronics Illustrated, November, 1966.
• Popular Electronics, January 1975.

Additive Synthesis

• Synth Secrets PART 14: AN INTRODUCTION TO ADDITIVE SYNTHESIS

The Telharmonium

• Thaddeus Cahill's "Dynamophone/Telharmonium" (1897)
• Thaddeus Cahill's Telharmonium
• Music by Electricity (1906)

The Hammond Organ

• MMD Archives: How the Hammond Electric Organ Works
• Secrets of the Hammond Organ
• Technical Information for Hammond Tone Wheel Organ
• Schematic of the Hammond B3 Organ
• Service Manual for the Hammond A-100 Organ
• Hammond Drawbar Wave Simulation
• Hammond-Leslie FAQ / Index