Tugan Four-Color
The photograph of this Australian-made Tugan aircraft was taken on a glass slide with Dufaycolour, one of the first color printing processes developed in 1908.
![6151342349_4791911031_o.jpg](https://th-thumbnailer.cdn-si-edu.com/YVRmaylWtzMLdWSjqdW1kHM2Ziw=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/21/59/21591d3b-2b4e-4bcc-b3e9-81e45aab3c12/6151342349_4791911031_o.jpg)
The photograph of this Australian-made Tugan aircraft was taken on a glass slide with Dufaycolour, one of the first color printing processes developed in 1908.