Elliptical UFO seen over Philadelphia in 1954

Summary

A 1954 report describes the observation of an unidentified flying object with an elliptical shape seen for one and a half hours in the sky over Philadelphia. The witness, a coin machine operator, along with two other individuals, saw a round object that changed color from white to orange. The object appeared to the south, moved westward, and disappeared below the horizon. Although detailed weather conditions were recorded, there was no physical evidence or photographs.