| DUPES #B-45 WP Western Pacific FP-7 dup slide |
| DUPES #B-38 Santa Fe SD45-2 Bi-Centennial dup slide |
| DUPES #B-36 BN Burlington Northern E8 duplicate slide |
| DUPES #B-27 MP MoPac FA-2 381 duplicate slide |
| DUPES #B-48 CP Canadian Pacific FA-1's dup slide |
| DUPES #B-46 Columbia & Cowlitz C-415 dup slide |
| DUPES #B-44 SP Southern Pacific H24-66 dup slide |
| DUPES #B-26 C&EI F3 1200 duplicate slide |
| DUPES #B-12 D&H U23B Bi-Centennial dup slide |
| DUPES #B-30 GBW GB&W Alco RS-11 309 duplicate slide |
| DUPES #B-15 Lehigh Valley Bi-Centennial caboo dup slide |
| DUPES #B-18 the old original NS 70T 701 dup slide |
| DUPES #B-29 Ann Arbor Alco FA-2 53 dup slide |
| DUPES #B-20 Florida East Coast pass train dup slide |
| DUPES #B-41 D&RGW PA-1 passenger train dup slide |
| DUPES #B-17 SCL U36B Bi-Centennial dup slide |
| DUPES #B-31 Des Moines & Central Iowa GE 70T dup slide |
| DUPES #B-14 PRR Pennsy Baldwin passengr Shark dup slide |
| DUPES #B-25 TP&W GP30 Bi-Centennial dup slide |
| DUPES #B-06 EMD SD45X demo in 1971 duplicate slide |
| DUPES #B-50 CN Canadian National FPA-4 dup slide |
| DUPES #B-40 UP Union Pacific coal turbine dup slide |
| DUPES #B-49 CP Canadian Pacific FM C-Liners dup slide |
| DUPES #B-32 DSS&A Baldwin centercab duplicate slide |
| DUPES #B-05 GM GMD Hydraulic demo duplicate slide |
| DUPES #B-43 SP Southern Pacific H12-44 dup slide |
| DUPES #B-19 the old original NS 70T 701 dup slide |
| DUPES #B-34 early Amtrak in Minneapolis duplicate slide |
| DUPES #B-28 Milwaukee Road E7 on Cannonball dup slide |
| DUPES #B-04 Alco C636 demo in 1969 duplicate slide |
| DUPES #B-01 United Aircraft Turbo in 67 duplicate slide |
| DUPES #B-39 UP Union Pacific DC-3 detector dup slide |
| DUPES #B-13 D&H Baldwin Shark dup slide |
| DUPES #B-37 BN SDP40 Bi-Centennial duplicate slide |
| DUPES #B-03 Alco C415 demo in 1967 duplicate slide |
| DUPES #B-35 BN Burlington Northern E7 duplicate slide |
| DUPES #B-09 GE U25B demo in 1962 duplicate slide |
| DUPES #B-21 Akron & Barberton Belt RS-3 dup slide |
| DUPES #B-47 White Pass & Yukon new Alco's dup slide |
| DUPES #B-07 EMD F9 test bed unit duplicate slide |
| DUPES #B-22 E&W Alco S-1 #19 duplicate slide |
| DUPES #B-24 TP&W Lima 300 duplicate slide |
| DUPES #B-42 D&RGW PA-1 6013 dup slide |
| DUPES #B-23 GM&O SD40 950 duplicate slide |
| DUPES #B-10 BAR Bangor & Aroostook F3 40 dup slide |
| DUPES #B-33 GN / BN sky blue GP30 duplicate slide |
| DUPES #B-16 Pittsburgh & West Virginia H20-44 dup slide |
| DUPES #B-02 Alco RS27 demos on the TP&W duplicate slide |
| DUPES #B-11 B&M GP38-2 Bi-Centennial dup slide |
| DUPES #B-08 EMD GP35 demo in 1963 duplicate slide |