Photograph - Hecla Electrics Pty Ltd; Factory with Rows of Heaters in Foreground; circa 1920s; Black and white photograph of factory with rows of Hecla heaters in the foreground and three workers behind them circa 1920s. This photograph is from an album containing 255 black and white photographs depicting electrical appliances; showroom displays; factory interiors and advertising material relating to Hecla Electrics Pty Ltd. It is part of the Hecla collection of photographs; documents;