Bruce Petty Collection
- CE 10764 Sheet 2 Electro – Pneumatic Switch Layout
- CE 10615 Sheet 127 Signal Assemblies 7-2-41
- CE 10615 Sheet 127A Searchlight Signal Masts Drilling Details 1-5-43
- CE 10615 Sheet 127B Ladders for Searchlight Signals 1-8-43
- CE 10615 Sheet 127-1A Signal Assemblies 1-20-48
- CE 10615 Sheet 127-1B Signal Assemblies 9-15-52
- CE 10615 Sheet 130 Track Car Indicators 6-25-41
- CE 10615 Sheet 134C Concrete Foundations for Instrument Cases and Houses 3-24-47
- CE 10615 Sheet 136 Selector Wired Switch Assembly 6-27-41
- CE 10615 Sheet 136A Shunt Wired Switch Assembly 10-26-43
- CE 10615 Electric Switch Lock applied to hand throw switches 12-18-52
- CE 10617 Sheet 12 Low Voltage Switch Layout 7-2-51
- CE 10637 Sheet 5 Track Connections to Signal 8-22-46
- CE 10637 Sheet 5A Track Connections to Relay Boxes 12-14-50
- CE 30463 Sheet 1 Typical Cantilever Signal Mast – 16 foot arm 9-21-52
- CE 30464 Sheet 1 Typical Cantilever Signal Mast – 16 foot arm 9-21-52
- CS 2004 Signal Layout at Sidings 11-12-1947
- CS 2011 Protection Signal Plates 7-22-51
- CS 2012 Number Plates for Signals 7-22-51
- CS 2013 Letter Plates for Simi-Automatic Signals 7-22-51
- CS 2014 Application of Protection Plates to Simi_Automatic and Absolute Signals 7-22-51
- CS 2002 Track Connections 7-10-1947
- CS 1383 Signs Indicating Limits of C.T.C. System 7-7-46
- CE 30509 Sheet 3 Three Track Signal Bridge
- CE 17183 Sheet 1 Two Track Signal bridge, Details for Installing Signals 8-26-42
- CE 17077 Sheet 4 S. H. Two Track Signal bridge, Signal Mounting Details 7-22-42