NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY
Differential analyser. This part of the differential analyser equipment is called a double function table. Differential analysers were used to carry out mathematical calculations. Photographed in 1954, in the Mathematics Division of the National Physical Laboratory, Teddington, UK.
Model release not required. Property release not required.