2 Antique B&W Photos Mechanical Pole Test Observers

I am pleased to offer this 2 Antique Original Black & White Photographs that feature a mechanical structure with a few men looking on; back marked U.M. Pole Test, dated 1939 with a detailed description. May show slight edge wear and brown tint from use and age. No visible tears.

Measurements: approx. 4-1/2″ inches long x 2-3/4″ inches wide. 

Thank you for viewing!