Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Domain | Definition |
Occupations | Controls railroad or highway drawbridge over waterways to permit passage of vessels: Observes approaching vessels and listens for whistle signal from vessel indicating desire to pass. Moves levers that activate traffic signals and alarms, lower gates to halt street traffic, or activate interlocking railroad signals to warn oncoming railroad trains. Starts motors of drawbridge and moves levers to raise or turn drawbridge, giving vessels passage. Signals vessels to pass through opening. Inspects drawbridge and auxiliary equipment. Cleans, oils, and greases machinery. Writes and submits maintenance work requisitions. Prepares reports of accidents occurring on or to bridge. Records name of vessels passing and number of trains or vehicles crossing bridge. May relay messages to vessels in waterway. May make repairs and adjustments to drawbridge. May be required to hold Railway Signalman Certificate or similar license. (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)44 52 41 57 42 52 49 44 47 45 4F 50 45 52 41 54 4F 52 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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Binary Code (1918-1938, probably earlier) (references)01000100 01010010 01000001 01010111 01000010 01010010 01001001 01000100 01000111 01000101 00100000 01001111 01010000 01000101 01010010 01000001 01010100 01001111 01010010 |
HTML Code (1990) (references)D R A W B R I D G E   O P E R A T O R |
ISO 10646 (1991-1993) (references)0044 0052 0041 0057 0042 0052 0049 0044 0047 0045 004F 0050 0045 0052 0041 0054 004F 0052 |
Encryption (beginner's substitution cypher): (references)3852355736524338413924950395235544952 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
