A rescan for this item is available here . Foreground p.32 HOME IN ON THE RANGE! AN ULTRASONIC RANGING SYSTEM [author Steve Ciarcia] Combine automatic sonar ranging and infrared-light detection in a computer-controlled scanner. p.64 MICROGRAPH, PART 1: DEVELOPING AN INSTRUCTION SET FOR A RASTER-SCAN DISPLAY [author E Grady Booch] Micrograph is an intelligent, low-cost, color-graphics terminal that interfaces to any microcomputer and standard, unmodified color television receiver. p.126 GRAPHIC COLOR SLIDES, PART 1 [author Alan W Grogono] The first of this two-part article gives a series of useful subroutines for generating color images on a Compucolor II. 148 THREE-DIMENSIONAL GRAPHICS FOR THE APPLE II [author Dan Sokol and John Shepard] With this popular computer, use a two-color scheme to generate three-dimensional figure p.296 A GENERAL INTERPOLATING GRAPHICS PACKAGE FOR THE TRS-80 [author D K Cohen and Devon Crowe] Interpolate between points of a graphed function and three-dimensional figures. p.340 AN 8088 PROCESSOR FOR THE S-100 BUS, PART 3 [author Thomas Woodward Cantrell] This monitor program takes advantage of some powerful software and architectural aspects of the 8088 pr…