It stands 125 mm tall. It has the normal slide fixing bracket to the the rear holding for a 20mm fixing on the reflector.
BR RAILWAY LAMP SOLID RESERVOIR 69 MM DIA 125mm TALL OVER REFLECTOR SHAFT
RAILWAY LAMP BRASS BURNER & RESERVOIR & WICK 69 MM DIA 135mm TALL
RAILWAY LAMP WAKEFIELD BRASS CERAMIC BURNER & GOOD STEEL RESERVOIR 69 MM DIA
UNUSUAL RAILWAY GUARDS OIL LAMP RESERVOIR 70 MM DIA SLIDE FIT USEABLE C 1930 GC
BRITISH RAILWAY LAMP RESERVOIR 77MM DIA STAMP BR 19 MM REFLECTOR SHAFT
RAILWAY HAND LAMP SHERWOOD BURNER 31MM DIA THREADED COPPER RESERVOIR & 75 MM DIA