006068
Photograph 006068 Second World War, 1939-1945OWING TO THE TERRIFIC HEAT TO WHICH THE POTS ARE SUBJECTED, THEIR COMPOSITION MUST BE PERFECT. THIS PICTURE SHOWS A POT THAT COULD NOT STAND UP TO THE INTENSE HEAT. (NEGATIVE BY E.L. CRANSTONE).
006066 Accession Number: 006066
Description
TWO EXAMPLES OF GLASS. THE LEFT SHOWS GLASS THAT HAS ABSORBED IRON FROM THE POT WHILE THE ONE ON THE RIGHT SHOWS PERFECT QUALITY. (NEGATIVE BY E.L. CRANSTONE).
Details
Accession Number
006066
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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006057
Photograph 006057 Second World War, 1939-1945THE GLASS MIXTURE IS CAREFULLY WEIGHED OUT, PRIOR TO BEING PLACED IN THE POT FOR MELTING. MR. G.M. WILLIS. (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).
006052
Photograph 006052 Second World War, 1939-1945PROFESSOR HARTUNG PLACES A POT IN THE FRESHLY LIGHTED FURNACE. THE POT MUST BE HEATED SLOWLY TO PREVENT CRACKING. THIS TAKES AS LONG AS 8 HOURS. (NEGATIVE BY E.L. CRANSTONE).
006056
Photograph 006056 Second World War, 1939-1945AFTER 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).
006065
Photograph 006065 Second World War, 1939-1945THE FINISHED OPTICAL GLASS. (NEGATIVE BY E.L. CRANSTONE).
