The Australian War Memorial Collection. Test site
MELBOURNE. SILHOUETTE OF GAUGES AND PRECISION TOOLS IS PROJECTED ON A SCREEN, ENLARGED 50 DIAMETERS. PROJECTED IMAGE IS CHECKED AGAINST AN ENLARGED TEMPLATE OR DRAWING. MINUTE ERRORS ARE THUS EASILY DETECTED.
A PROJECTOR FITTED WITH A CLOCKWORK- DRIVEN ARC LAMP AND A HIGHLY ACCURATE OPTICAL SYSTEM PROJECTS 50- DIAMETER SILHOUETTES OF GAUGES AND PRECISION TOOLS. AN ENLARGED DRAWING OR TEMPLATE IS USED AGAIN
A TRAINEE AT MELBOURNE TECHNICAL COLLEGE TURNS PLUG GAUGES ON A PRECISION TOOLROOM LATHE WEIGHING 2 TONS. PLUG GAUGES ARE USED TO MEASURE INTERNAL DIAMETERS IN MUNITION WORK.
MELBOURNE. PROJECTOR FOR THROWING 50- DIAMETER SILHOUETTES OF GAUGES AND PRECISION TOOLS HAS CLOCKWORK DRIVEN ARC LAMP. MR. M. KENNEDY ADJUSTS THE OPTICAL SYSTEM , WHICH WILL GIVE A 6 FOOT DIAMETER IM
THE 50- POUND BOMB GAUGE BEING CHECKED IN THE GAUGE ROOM. TO ENSURE ABSOLUTE ACCURACY IN GAUGES, GAUGE ROOM IS KEPT AT A CONSTANT TEMPERATURE OF 68 DEGREES F. GAUGES BEING USED BY TRAINEES, SEEN IN BO
MELBOURNE. PLUG GAUGES, MADE TO AN ACCURACY OF 2/10THS OF A THOUSANDTH OF AN INCH (.0002 INCH) ARE TURNED ON A PRECISION TOOL- ROOM LATHE. THIS MACHINE IS ONE OF THE HIGHEST PRECISION TOOL- ROOM LATHE
MELBOURNE, AUSTRALIA. 1943-03-09. SERGEANT A.L.R. SIEVERS OF LAND HEADQUARTERS EXPERIMENTAL WORKSHOPS OF THE AUSTRALIAN ELECTRICAL AND MECHANICAL ENGINEERS, PAINTING A SILHOUETTE OF TOOLS THAT ARE USE
