Bird’s eye view of the Frog and Switch factory in Carlisle, PA. 1940 c.Postcard of the Frog, Switch Plant around the turn of the century.Crane at the Frog, Switch Plant in 1916More railroad lines being built in the Frog, Switch PlantRailroad lines in the Frog, Switch PlantFrog, Switch and Manufacturing Company of Carlisle taken on 1913/04/02Employees in front of the Manufacturing CompanyView of the Manufacturing CompanyView of the Manufacturing Company
