27 - Hardware for Bimat Processing
Discusses design of hardware and systems employing Bimat for recording and processing CRT-displayed data.
By ROBERT P. MASON

31 - The relative legibility of Leroy and Lincoln/Mitre alphanumeric symbols
Legibilities are compared by testing with human subjects.
By DIANA J. SHOWMAN

35 - Characteristics of Photosensors
A review of vidicon and image orthicon tubes as well as an analysis of TIAM and SEC tubes.
By G. T. NAGY

41 - Basic EL designs for space and military applications
Discusses the almost limitless flexibility in customized presentation and design advantages of the EL readout panel.
By R. W. CHRISTENSEN and W. R. McKIERNAN

49 - Visual simulation
Describes a typical simulation system.
By PAUL T. KAESTNER

25 - EDITORIAL: SID responsibilities and capabilities
By E. Bairdain

55 - 8th NATIONAL SYMPOSIUM: scheduled for San Francisco

57 - READOUT: display industry news and innovations

65 - NEW PRODUCTS : from many firms

72 - NEW LITERATURE: data available on items and ideas

76 - SUSTAINING MEMBERS

76 - ADVERTISERS' INDEX : for finding them quickly

79 - ON THE MOVE: people - and their appointments, promotions

80 - NEW MEMBERS: SID welcomes them

82 - SPRING JOINT COMPUTER CONFERENCE: upcoming

84 - SID AIMS AND PURPOSES