6675-00-664-4676 INC 11383 CANCELLED/REPLACED BY ,INC 04375, FIIG T302-F, APP-KEY FA ,ON 090913 ~(All Except USA) For USA INC 11383 Canceled Replaced By SLIDE RULE: INC 04375, FIIG T302, Appl Key a. A COMPUTER HAVING A STATIONARY OUTER SCALE CONCENTRIC WITH AN INNER SCALE IMPRINTED ON THE PERIPHERY OF A REVOLVING DISK. It is used to determine horizontal distances and differences in elevation in surveying work.