References

• How to Make/Build a Crystal Radio
• 1N34A Germanium Diode (Digikey)
• Mike's Electronic Parts: 1N34A Germanium Diode
• Electret Microphone: (Wikipedia)

Charlie's Links

• http://sci-toys.com/scitoys/scitoys/radio/radio.html
• Makezine: Bottle Radio: http://makezine.com/projects/bottle-radio/
• (Jan 29) http://steampunk.wonderhowto.com/how-to/complete-guide-build-crystal-radio-plus-they-work-0141117/
• (Jan 29) http://www.taitradioacademy.com/topic/how-does-modulation-work/
• (Jan 29) http://electronics.howstuffworks.com/radio.htm
• (Feb 3) Earpiece: http://www.amazon.ca/Crystal-Radio-Earphone-Impedance-3-5mm/dp/B0052EE0AU
• (Feb 3) Earpiece (UK): https://www.armcoshop.com/products/mono-crystal-earpiece-with-3-5-mm-jack-plug