![The Calculator Afloat: A Mariner's Guide to the Electric Calculator by Captain Henry H. Shufeldt, USNR and Kenneth E. Newcomer: Fine Hardcover (1980) | Prairie Creek Books LLC. The Calculator Afloat: A Mariner's Guide to the Electric Calculator by Captain Henry H. Shufeldt, USNR and Kenneth E. Newcomer: Fine Hardcover (1980) | Prairie Creek Books LLC.](https://pictures.abebooks.com/isbn/9780870211164-us.jpg)
The Calculator Afloat: A Mariner's Guide to the Electric Calculator by Captain Henry H. Shufeldt, USNR and Kenneth E. Newcomer: Fine Hardcover (1980) | Prairie Creek Books LLC.
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The Poke в Twitter: „#unlikelysuperheroes Captain Calculator http://t.co/HuaP3I7U5Z (via @joeheenan)“ / Twitter
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