[ggregg]

Look at the third and fourth picture. There is a flourescent tube behind a plastic panel that surrounds the picture tube. It can be turned on and off. The advertising promoted as being easier on the eyes in addition to making the picture look bigger than it really was. Sylvania was a little late getting into TV's and needed something to stand out and the halolight was it although they made both halo and non-halo models. They started making them around 1952 and ended around 1961. This set is one of the last model Halolights made. The Sylouette was made from around 1958 to 1961 or so. Sylouettes featured a very modern design and narrow depth, less than a foot (not counting the neck cover), by using a 110 degree CRT.