Dallwitz was art teacher at Thebarton Boys Technical School in the 1940s and Adelaide Technical High School in the 1950s, affectionately nicknamed "Dizzy" by the boys, part for his height but also a jazz reference (for "Dizzy" Gillespie). One of the few teachers who revelled in his sobriquet. Camera was Kodak Retinette 1A. The corrugated iron shed housed test furnaces for the School of Mines.
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