| Record ID | ia:generalregulatio00grea_0 |
| Source | Internet Archive |
| Download MARC XML | https://archive.org/download/generalregulatio00grea_0/generalregulatio00grea_0_marc.xml |
| Download MARC binary | https://www.archive.org/download/generalregulatio00grea_0/generalregulatio00grea_0_meta.mrc |
LEADER: 00579cam 22001931 4500
001 2124224
005 20071129222413.0
008 900530s1897 enk eng u
035 $a(OCoLC)ocm77213008
035 $9APZ-5693
035 $9UC 07032165
035 $aurb00082518
040 $dUtOrBLW
110 2 $aGreat Northern Railway (Great Britain)
245 10 $aGeneral regulations for working the absolute block telegraph on double lines of railway.
260 $aLondon,$c1897.
300 $a34 p. :$bill. ;$ccm.
650 0 $aBlock signals.
650 0 $aRailroads$xSignaling$xBlock system.