An AN/AP-4 - or ASH - 'bomb' from the Graham Winbolt collection and shown at the Bletchley Park Museum.

This is thought to be NF.I prototype DT933 (but it might be DT985). DT933 was used for ASH trials with 746 and 787 Squadrons.

Ночной истребитель "Файрфлаи" NF.I из 792-й эскадрильи
Firefly NF.I PP617.

MB564 of 746 Squadron, flying ASH trials out of Ford, April 1945.

A view of NF.II Z1875 in March 1943, for searchlight trials - one of the 37 examples of this mark built with lengthened front fuselages and radomes on each wing, but converted to Mk Is before delivery.

The prototype Firefly NF Mk II Z1875 with wing-mounted AI Mk X radomes.

The NF.II prototype, Z1813/G, in March 1943 when it was issued to 'A' Squadron at Boscombe Down.