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).
006071 Accession Number: 006071
Description
LOOKING THROUGH THE FLASH SPOTTER, THE GRATICULE CAN BE SEEN AND IS USED FOR ACCURATE SIGHTING. (NEGATIVE BY E.L. CRANSTONE).
Details
Accession Number
006071
Photographer
Edward Lefevre (Ted) Cranstone
Classification
Photograph
Object Type
Negative
Physical Description
Colour: Black & white
Date Made
c February 1941
Place Made
Whole/Part
Whole
Item Count
1
Copyright
Copyright expired - public domain
Conflicts
Tags
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006050
Photograph 006050 Second World War, 1939-1945MR. 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).
006051
Photograph 006051 Second World War, 1939-1945MR. 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
006047
Photograph 006047 Second World War, 1939-1945A SIGHTING TELESCOPE DESIGNED BY MR. F.H. CALDWELL. (NEGATIVE BY E.L. CRANSTONE).
006069
Photograph 006069 Second World War, 1939-1945CLAY POTS ARE USED TO MAKE THE GLASS. THIS EXPERIMENTAL POT IS QUITE SMALL. POTS USED ULTIMATELY WILL BE SEVERAL FEET IN DIAMETER. (NEGATIVE BY E.L. CRANSTONE).
006039
Photograph 006039 Second World War, 1939-1945WHEN THE GLASS HAS FUSED INTO A SOLID MASS IT IS SLOWLY COOLED. IT IS NOW TESTED FOR THE ABSENCE OF STRAIN. HAVING PASSED THE RIGID TEST IT CAN NOW BE MADE INTO LENSES OR PRISMS. (NEGATIVE BY E.L. CRA
