This handbook gives guidelines on where to place semaphore signals on models of British railways. More than that, those who wish to enquire about British signalling in general will find this work an excellent introduction.
PLACING SEMAPHORE SIGNALS ON MODEL RAILWAYS
Hornby Triang Crescent OO Gauge - Job Lot of Vintage semaphore signals
Peco SYH22 Signalling the Layout 1. Semaphore Signals
Hornby Dublo Red Switch For Electrically Operated Points & Semaphore Signals
x2 Hornby Dublo Red Switch For Electrically Operated Points & Semaphore Signals