A milk tester for the Triple B milk testing associations. His equipment includes test tubes, pipettes, a centrifuge and… https://www.rawpixel.com/image/12276710/photo-image-shadow-cat-personFree Image from public domain licenseOccupation Hobby Ideas Photography Concept https://www.rawpixel.com/image/862660/free-image-rawpixelcomView licenseKeeping score. Bowling alley, Clinton, Indiana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12276049/photo-image-face-paper-personFree Image from public domain license[Untitled photo, possibly related to: Washington, D.C. Scorekeeper at a bowling alley]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293992/photo-image-face-person-shirtFree Image from public domain license