Photograph - Hecla Electrics Pty Ltd; Workers Assembling Electrical Products; circa 1930; Photograph of male factory workers assembling heaters and other Hecla Electric products; possibly at Hecla's Castlereagh Street premises in Sydney. The employees stand at cluttered benches to the right; completed and packaged Hecla products are shelved along the left hand side of the room. Hecla's Sydney premises opened in 1926 and was located on the ground floor of Citroen House 299a-301