> Speaking of fresnal lenses, a friend gave me some old lenses > from a wayside signal that were once used on abandoned > former DL&W/EL trackage. The lenses are orange(yellow) and > blue (green). When did CR/NJT go over to the clear lenses > that are used system wide on NJT today?? Not sure - the lenses are clear, but I do believe there is a filter behind the glass (not a colored bulb) to give the signal its color. > Were the lenses > "colored" on the NY&GL as well?? All lenses in EL days had colored (not clear) glass. - Paul The Erie Lackawanna Mailing List http://EL-List.railfan.net/ To Unsubscribe: http://Lists.Railfan.net/erielackunsub.html ------------------------------ End of EL Mail List Digest V3 #2703 ***********************************
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