RA 8906 G.W.R. 1947 PATTERN PERMISSIVE BLOCK INDICATOR ship-zone-k This bell has the standard

This bell has the standard J

Rly block bells

on the mouthpiece part is stamped  "SIGNAL DEPT"

This key is a "C" pattern configuration

A near mint London & North Eastern Railway enamel "special" shorter version of a Distant signal blade

RA 8906 G.W.R. 1947 PATTERN PERMISSIVE BLOCK INDICATOR ship-zone-k This bell has the standardA fine example of a "pegging" Great Western Railway Permissive block indicator, these instruments were used on permissive goods loops where up to six trains could be permitted to enter. The numbers on the dial were so both signalman could keep a tally on when trains entered the loop. This instrument is in fine ex box condition and full working order.