| Willis Lamm'sTraffic Signal Collection
Crouse-Hinds Type D FeaturesFrom the outside Type D signals look a great deal like the later version Type DT that appeared in 1952.  The most distinctive differences are internal.  This feature will cover the characteristics that will help identify the Type D's distinctive characteristics. | Classic Crouse-Hinds barrel type hanger andD 4-way top plate marked N-S-E-W (same as DT.)
 
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