Publicity photo of GE field sequential color camera fitted to a microscope and accompanying monitor.

https://farm8.staticflickr.com/7737/17208895310_fc1ebd217b_h.jpg (https://flic.kr/p/sdG62y)GE Field Seq microscopy camera 1955 001 (https://flic.kr/p/sdG62y) by old_tv_nut (https://www.flickr.com/people/42002845@N02/), on Flickr

https://farm8.staticflickr.com/7775/17394493022_2842425e27_b.jpg (https://flic.kr/p/sv6jL7)GE Field Seq microscopy camera 1955 002 (https://flic.kr/p/sv6jL7) by old_tv_nut (https://www.flickr.com/people/42002845@N02/), on Flickr