RA 8274 SOUTHERN RAILWAY GENERAL APPENDICES 1934 ship-zone-k These boxes all seem to

These boxes all seem to be manufactured in Grimsby hence the nickname

This feature was not successful and most instruments were rebuilt by fitting a complete new top

the cover has been covered with  clear sticky back plastic to protect it from regular use

this is to prevent the signal being accidentally being passed at danger and  in good condition and in tested working order

The Government initiated a plan for a receiver simple reciever of a single standard design in 1943

RA 8274 SOUTHERN RAILWAY GENERAL APPENDICES 1934 ship-zone-k These boxes all seem toA scarce item of the Southern Railway is this General, working appendices to the working timetable. This publication is in good condition and contains 165 pages with special instructions of working many locations and so much more.