Vintage cylindrical slide rule calculator made by LOGA, Switzerland made around 1910-20. This vintage calculator is in good working order. It turns, slides and locks.
Raised on its original metal stand - marked LOGA logo on each side. The LOGA cylindrical slide rule calculator is approximately 2 feet long with a diameter of 16 centimetres. The slide rule component is marked with 15m and Marke schutz on the metal ring. For a vintage calculator, showing signs of wear commensurate to its age.You can find similar pieces in museums. The item "LOGA Cylindrical Slide Rule Antique Vintage Calculator" is in sale since Wednesday, October 3, 2018. This item is in the category "Collectables\Scientific Collectables\Scientific Instruments\Other Scientific Instruments". The seller is "simplyi3" and is located in London. This item can be shipped worldwide.