Terry
The following information should help you with identifying a suitable instrument.

Types available, Mk. 14 series

Ref. No. Mk. Range (Ib in2.) Dial
6A/2235 14A 0 to 150 Fluorescent
6A/2685 14B 0 to 80 Fluorescent
6A/2686 14F 0 to 600 Fluorescent
6A/2687 14G 0 to 1,000 Fluorescent
6A/2689 14H 0 to 2,000 Fluorescent
6A/2688 14H 0 to 2,000 Luminous
6A/2691 14KK (Naval) 0 to 3,000 Fluorescent
6A/2690 14KK (Naval) 0 to 3,000 Luminous
6A/2693 14LL (Naval) 0 to 4,000 Fluorescent
6A/2692 14LL (Naval) 0 to 4,000 Luminous
6A/2694 14N 0 to 100 Fluorescent
6A/2721 14Q 0 to 50 Fluorsecent
6A/4320 14R 0 to 6,000 Fluorescent