Engine 5, July 1911 (see neg 278b in box 2): crew left to right: Enos DeYoung, engineer; Niel McClein, conductor; Neil B. McLean, brakeman; Ike Shaefer, fireman; George Albertson, brakeman

from left: 1 - Wm. Tate, conductor, on pilot [others unidentified]

Invariant Functions on Neil Parabola in Cn

2000 Mathematics Subject Classification: Primary 32F45.