00:39

BGO Scintillator irradiated in a LINAC

00:18

Radiactive Fiesta ware

01:58

ATS-20 ( SI4375 DSP,) on 20m

05:44

Regenerativo 3 válvulas 1t4

01:13

Receiver Geloso G4/214 in 20m band

00:23

B551C prescaler on FM band

01:54

Listening Vienna new year's concert (2018) in a Philips Annette LD462AB (1956)

01:03

Radiation on a camera-equipped cell phone

00:59

Testing a FM tuner using the intermediate frequency in a cheap receiver

00:46

Receiving DCF77 (77.5 kHz) using a keenwood r600

01:05

Controlling induction motor speed using ic ir2111

00:45

Sperry gyro compass S3A

02:12

Concierto de año nuevo 1-1-2015 en un receptor National HRO

01:03

Induction heater

01:09

Bromine + Aluminium reaction.

00:25

Liesegang rings based on a silver nitrate potassium dichromate reaction

00:39

vef 202 receiving in 25m radio china in russian

00:38

Galena FM Crystal Receiver

00:16

Sporadic VHF propagation 29-05-14

01:38

7abp7 radar CRT tube

01:15

Mozart's Requiem on a Freudenstadt 9 Saba Radio

00:57

Sporadic E Propagation on VHF band.

00:10

06 valvula estabilizadora 100 v

04:31

µP2000 trainer based on a 8085 microprocessor

05:11

Fractal: Mandelbrot Set

01:52

A BPSK31 Beacon based on AD9850 DDS

02:53

An old car spark coil generating about 15KV

35:49

Philips Factory Thirties

29:43

First TV color image videotaped Eisenhower 22 may 1958

01:39

Listening radio with grass

00:34

Neon ring counter

02:12

Multiflex Galvanometer

00:53

Spanish version of David's midnight magic for a commodore 64

02:23

Nixies Voltmeter VM1335

01:27

Quartz fiber dosimeter

07:22

Soviet Receivers VEF206 VEF201 and VEF202

02:03

Type 804-B UHF Signal Generator

01:15

Acorn tube 955 FM oscillator

02:01

RT-159/URC4 Rescue Radio Transceiver

01:34

Radio Tesla Talisman 306

01:38

Oscillator ARN21

01:49

Photomultiplier used like photocell

02:02

Photomultiplier Siemens orbiter

01:01

Tunnel diode transmitter

01:40

Astable multivibrator using cold cathode thyratrons тх3б (tkh3)

00:26

Tunnel diode oscillator

00:43

tunnel diode curve

01:21

Morse code reader Atronics

03:25

Heathkit FM stereo tube receiver AJ-12

01:58

RDS decoder based on TDA7330 in a FM stereo tuner heathkit AJ-12

02:32

receiver Drake SSR-1

00:46

Portable radio Vidor CN381B

00:42

10100 Khz RTTY Weather Forecasts DDK9

00:20

Maritime Fax reception at 7880 Khz

02:59

Oscilloscope Tektronix type 316

04:08

Receiver Sailor R106

01:04

dcf77 receiver

00:28

Uranium glass under UV light

01:09

Trafo 15KV Direct current. Sparks and Corona discharge

00:13

Birrefringencia en el espato de Islandia