This series consists of aerial photographs taken by ? 1 Aerial Photographic Unit of sites in South Australia and Northern Territory. The photographs contain the following information at the bottom of the photograph.  A number which appears to be the ? run number, range of frame numbers for the ? run, date taken, time taken, direction of flight, focal length of camera, height above sea level, name of area
photographed, lattitude and longitude of area photographed.

Each photograph has the frame number stamped on the photograph.  
It appears that the aircraft used to undertake aerial photographic work was fitted with three cameras.

The suffixes L, R, V indicate if photographs were taken from left wing of aircraft, right wing of aircraft or vertical (possibly mounted under the fuselage of the aircraft).

It appears that the aerial photographs are part of a larger series undertaken by the RAAF on behalf of the Long Range Weapons Establishment at Salisbury at the time.

The aerial photographs are arranged in ? run and frame order, with additional information as to what camera took the photograph.