Size of this preview: 480 × 480 pixels. Other resolutions: 240 × 240 pixels | 600 × 600 pixels | 768 × 768 pixels | 1,024 × 1,024 pixels. Full resolution (download) (1,762 × 1,762 pixels, file size: 3.93 MB, MIME type: image/png) About File History Metadata There is no description yet. Add a description. Appears on these pages of Headcodes Headcodes are an indication of an engine or train's class or importance by means of a position... Signals In terms of running railways, signals are mechanical and electrical devices erected beside a... The Railway Series: Surprise Packet The Railway Series: Surprise Packet was a Railway Series related activity book which featured... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current17:08, December 1, 20151,762 × 1,762 (3.93 MB)FletcherJennings&Co. (wall | contribs) Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file. Horizontal resolution 59.06 dpc Vertical resolution 59.06 dpc Read more Signal Boxes Water Towers Buffers Retrieved from "http://ttte.wikia.com/wiki/File:SignalsandHeadcodes.png?oldid=869864" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.