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LarryC39 wrote:Hmmm, the NEW Durasig was in 1972...what did the old version look like?
LarryC39 wrote:Hmmm, the NEW Durasig was in 1972...what did the old version look like?
LarryC39 wrote:Durasig's were fielded in 1971, over 2000 intersections in service/field testing. No mention of them in 1969 so they were introduced possible in 1970 but definitely in 1971.
EPAC-EPIC-MARC wrote:LarryC39 wrote:Durasig's were fielded in 1971, over 2000 intersections in service/field testing. No mention of them in 1969 so they were introduced possible in 1970 but definitely in 1971.
Flatbacks were still produced as of 1970. The later models had date dials on the doors. 8 inch DuraSigs were developed before the 12 inch model.
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