Complex sentence: 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.
Split into simpler sentences: Technologies represented include zeppelins, radio, black and white TV with small circular images. There is DNA analysis, but with 1940's-style slide projectors, cars and telephones including a type of cellphone and/or walkie talkie.