The 36-bit word size of the PDP-6/PDP-10 was influenced by the usefulness of having two Lisp 18-bit pointers in a single word. Lum Johnson (18 de octubre de 1990). «The History of TOPS or Life in the Fast ACs». alt.folklore.computers. 84950@tut.cis.ohio-state.edu. «The PDP-6 project started in early 1963, as a 24-bit machine. It grew to 36 bits for LISP, a design goal.»
