Photograph - Hecla Electrics Pty Ltd; Workers Assembling Electrical Heaters; circa 1920; Photograph of male factory workers assembling heaters; possibly at Hecla's Little Bourke Street premises in Melbourne. They stand at benches surrounded by heaters in various stages of completion. In the foreground completed heaters of the 'Jupiter' and 'Century' models are standing on the wooden floorboards. This photograph is from an album containing 255 black and white photographs depicting