Lightbulbs - Publicity photograph for Philips New Zealand Limited (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028992/photo-image-circle-bulb-photographyFree Image from public domain licenseRover 90 car: Publicity photograph for Crawley Ridley Motor Bodies (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028991/photo-image-antique-cars-advertising-alloy-wheelFree Image from public domain licensePublicity photograph for Eastman Kodak Cameras (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029209/photo-image-ken-niven-and-gordon-burt-tattoo-accessoryFree Image from public domain licenseCourtenay Radiogram (1924-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029037/courtenay-radiogram-1924-1940-ken-niven-and-gordon-burt-ltdFree Image from public domain licenseMan rivetting, General Motors assembly plant, Petone (circa 1936) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029010/photo-image-vintage-photos-public-domain-adult-apparelFree Image from public domain licenseGeneral Motors Assembly Plant, Petone (circa 1936) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029748/photo-image-assemble-motor-adult-architectureFree Image from public domain licenseGeneral Motors Assembly Plant, Petone (circa 1936) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029008/photo-image-line-architecture-assemblyFree Image from public domain licenseGeneral Motors Assembly Plant, Petone (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13029404/image-plant-person-bookFree Image from public domain licenseGeneral Motors bus - side view (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028593/general-motors-bus-side-view-1931-1940-ken-niven-and-gordon-burt-ltdFree Image from public domain licenseMorris car: Publicity photograph for Crawley Ridley Motor Bodies (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028816/image-shadow-plant-personFree Image from public domain licenseGeneral Motors Assembly Plant, Petone (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028815/image-plant-person-airplaneFree Image from public domain licensePublicity photograph for Crawley Ridley Motor Bodies (1931-1940) by Ken Niven and Gordon H Burt Ltd. https://www.rawpixel.com/image/13028226/image-automobile-antique-alloy-wheel-carFree Image from public domain license