Electric warning device essentially by the fact of understanding, on a support base, configured as a level crossing without barrier, a conventional indicator post whose two warning light bulbs are connected, by electrical conduits, with a transistorized circuit of which it forms part, among other elements, an integrated circuit and a sound amplifier housed all in a simulator building of a transformer, whose upper part is equipped with a housing for electric batteries and whose roof is the cover of said housing. (Machine-translation by Google Translate, not legally binding)
展开▼
