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Photograph

P&H Concrete Breaker

Date: 04 15 1916
Description: Pawling & Harnischfeger concrete breaker on a residential street with a operator in the cab. Men are working in the street, and trees and power lines are l...
Photograph

Saving Energy with Insulation

Date: 1979
Description: During an energy tour of his district Congressman Obey visited various sites to observe projects to increase energy efficiency. Here a workman is preparing...

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