This Collins 51S-1 Receiver WHITE Simpson Meter face, is a very high quality reproduction designed to Replace the Amber color meter face that most 51S-1 receivers were made with.
This High Quality reproduction (Made in the USA) is translucent and made with heat resistant lexan material so it will not warp or burn from the meter lamp.
There were two types of meters used it the 51S-1, one is made by Simpson, and the other one is made by Honeywell.
The Simpson does not have any brand printed on it but the Honeywell has the Honeywell name stamped in the lower left side so it is easy to tell which mater face you need.
I have both types. This listing is for the Simpson meter face and the Honeywell meter face is available in another listing so please check to make sure you get the correct meter face.