Technologies represented include zeppelins, radio, black & white TV (small circular images), DNA analysis, but with 1940's style slide projectors, cars and telephones including a type of cellphone and/or walkie talkie.
Technologies represented include zeppelins black & white TV (small circular images), DNA analysis, but with 1940's style slide projectors, cars and telephones including a type of cellphone and/or walkie talkie. Zeppelins were radio.