006048
Photograph 006048 Second World War, 1939-1945THIS PICTURE SHOWS A GRATICULE MOUNTED IN A RING BEING INSERTED INTO THE MONOCULAR OF A FLASH SPOTTER. (NEGATIVE BY E.L. CRANSTONE).

The Australian War Memorial Collection. Test site
MR. G. ARMYTAGE, WHO HAS DONE MUCH IN DEVELOPING THE TECHNIQUE OF MAKING GRATICULES, INSPECTS THE GRATICULE IN A FLASH SPOTTER. (NEGATIVE BY E.L. CRANSTONE).
THIS PICTURE SHOWS A GRATICULE MOUNTED IN A RING BEING INSERTED INTO THE MONOCULAR OF A FLASH SPOTTER. (NEGATIVE BY E.L. CRANSTONE).

LOOKING THROUGH THE FLASH SPOTTER, THE GRATICULE CAN BE SEEN AND IS USED FOR ACCURATE SIGHTING. (NEGATIVE BY E.L. CRANSTONE).

MR. H.A. WAYERS HAS DESIGNED A FLASH SPOTTER AND INSTRUMENT FOR DETECTING THE DIRECTION OF GUN FLASHES. HE IS SHOWN WITH THE SPOTTER AND THE DEVICE FOR ILLUMINATING IT FOR NIGHT WORK. (NEGATIVE BY E.L

AFTER BEING COOLED SLOWLY OVER NIGHT, THE POT IS TAKEN OUT AND BROKEN APART. MR. G. AMPT. SENIOR LECTURER IN ANALYTICAL CHEMISTRY. (NEGATIVE BY E.L. CRANSTONE).

A SIGHTING TELESCOPE DESIGNED BY MR. F.H. CALDWELL. (NEGATIVE BY E.L. CRANSTONE).

THE OPTICS OF THIS TELESCOPE FOR A MILITARY DIRECTOR WERE CALCULATED BY MR. R.D. HILL (LEFT) WHO IS HERE DISCUSSING MECHANICAL CONSTRUCTION WITH SENIOR MECHANIC H.A. WATERS. (NEGATIVE BY E.L. CRANSTON
