I went to New Jersey recently to photograph all these ancient artifacts:
(https://live.staticflickr.com/65535/50127764632_4a817313b2_b.jpg) (https://flic.kr/p/2jnBU11)Marbelite 4-way traffic signal (tunnel visors) (https://flic.kr/p/2jnBU11) by thesignalman (https://www.flickr.com/photos/144426590@N04/), on Flickr
(https://live.staticflickr.com/65535/50168924422_cb4bd62e86_b.jpg) (https://flic.kr/p/2jrfRny)Signal Service Corp. 4-way traffic signal (https://flic.kr/p/2jrfRny) by thesignalman (https://www.flickr.com/photos/144426590@N04/), on Flickr
(https://live.staticflickr.com/65535/50144913546_95da8a9903_b.jpg) (https://flic.kr/p/2jp8MLW)American Gas Accumulator 4-way traffic signal (https://flic.kr/p/2jp8MLW) by thesignalman (https://www.flickr.com/photos/144426590@N04/), on Flickr
(https://live.staticflickr.com/65535/50127896596_342089e7e9_b.jpg) (https://flic.kr/p/2jnCzef)Marbelite 3-way traffic signal (https://flic.kr/p/2jnCzef) by thesignalman (https://www.flickr.com/photos/144426590@N04/), on Flickr