Early Photographs of Sydney by William Hetzer

George St, Sydney, photo by William Hetzer, 1858-1863, original held by¬†Powerhouse Museum The first two photographic processes were the daguerreotype (which created a positive image on a silver plate) and the calotype (which created a paper negative). Both became commercially available in 1839 but ufortunately the small population, patent restrictions and uncertainty about their permanence … Continue reading Early Photographs of Sydney by William Hetzer

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AngeloTornaghi – Scientific Instrument Maker, Sydney – 1831-1906

Angelo Tornaghi, Australian Men of Mark, 1889 Angelo Tornaghi was born Milan in 1831 and arrived in Sydney in 1855 where he worked as a local agent for the London based scientific instrument firm, Negretti & Zambra. In 1858 he helped supervise the adjustment of Negretti & Zambra instruments which had been ordered for the … Continue reading AngeloTornaghi – Scientific Instrument Maker, Sydney – 1831-1906