B717 4 Aspect (R/Y/G/Y) Platform Stepped T Junction Round Head (type 2) Signal Era_Era-5 Built as a modified 0-4-0

Built as a modified 0-4-0 Sirdar class by Kerr

Five locomotives have however been preserved

The capacitor stores up power and discharges a 'kick' to ensure turnout blades 'snap over' every time

When their High Sentinel channels power into their arrowheads

‘Seahare’ or ‘Sea Urchin’

B717 4 Aspect (R/Y/G/Y) Platform Stepped T Junction Round Head (type 2) Signal Era_Era-5 Built as a modified 0-4-04 aspect (R Y G Y) platform stepped T junction round head (t It is suitable for any layout based from around 1970 onwards, when this style of signal head came into use. Examples could still be found on the network until 2009, when the new slimmer signals became standard although this replacement programme began around 2000. This signal is ready to use out of the box and features a pre wired resistor to allow the safe operation of the signal from a 12