Bearden enlarged these collages through the photostat process. People who operated these machines were known as photostat operators. Humans wearing penguin costumes were filmed and then used as photostat references for the animators. Later, he was employed as a photostat operator for several years. They replaced original documents but took "Photostat" copies with them. The Haloid Company had the Photostat, which it licensed to Eastman Kodak, the photography giant. The Photostat Corporation was eventually absorbed by Itek in 1963. While the original slips later mysteriously disappeared from the courtroom, photostat copies were available. A Photostat copy of Riefkohl's map was published in the "Century" article. The Photostat, for instance, was essentially a photograph of the document being copied.