Esplora queste idee e molte altre!

How many of you started with a Radio Shack Science Fair Crystal Set, vintage late 60's / early 70's?  I built one as a kid, and later sparked my interest in Ham Radio and electronics.

How many of you started with a Radio Shack Science Fair Crystal Set, vintage late 60's / early 70's? I built one as a kid, and later sparked my interest in Ham Radio and electronics.

A radio that doesn't need a battery or plug? In the "Build Your Own Crystal Radio" electricity and #electronics #science project students build a working crystal radio and investigate how to improve it. A convenient project kit is available to do this science project! [Source: Science Buddies, http://www.sciencebuddies.org/science-fair-projects/project_ideas/Elec_p014.shtml?from=Pinterest] #STEM #scienceproject

A radio that doesn't need a battery or plug? In the "Build Your Own Crystal Radio" electricity and #electronics #science project students build a working crystal radio and investigate how to improve it. A convenient project kit is available to do this science project! [Source: Science Buddies, http://www.sciencebuddies.org/science-fair-projects/project_ideas/Elec_p014.shtml?from=Pinterest] #STEM #scienceproject

Crystal Set

Crystal Set

Crystal Radios "Stay Tuned" Crystal Sets

Crystal Radios "Stay Tuned" Crystal Sets

1980 recreation of 1920's regenerative receiver.

1980 recreation of 1920's regenerative receiver.

edison desk lamps- look for specialty bulb sites for these old-timey bulbs

edison desk lamps- look for specialty bulb sites for these old-timey bulbs

HEAREVER Midget Monitor       - NO Tubes - NO Batteries - NO Transistors - NO Electricity      ~This tiny crystal set was made in the 1950s or 60s and is built into a standard radio IF coil can. Sliding the antenna rod up and down tunes a station.  The original box, and is marked 'MIDGET MONITOR RADIO BY HEAREVER INC.' The instruction sheet gives the company address as: MIDGET MONITOR RADIO, Dept. 150, 623 Marquette Ave., Minneapolis 1, Minn.

HEAREVER Midget Monitor - NO Tubes - NO Batteries - NO Transistors - NO Electricity ~This tiny crystal set was made in the 1950s or 60s and is built into a standard radio IF coil can. Sliding the antenna rod up and down tunes a station. The original box, and is marked 'MIDGET MONITOR RADIO BY HEAREVER INC.' The instruction sheet gives the company address as: MIDGET MONITOR RADIO, Dept. 150, 623 Marquette Ave., Minneapolis 1, Minn.

Vest Pocket Crystal Radio

Vest Pocket Crystal Radio

A very well-made crystal radio set. No power source needed - just a good antenna and ground.

A very well-made crystal radio set. No power source needed - just a good antenna and ground.

An Early Coherer Radio

An Early Coherer Radio

Pinterest
Cerca