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Dataplot: A system for on-line graphical display of statistical data
Describes the Dataplot Subsystem, designed to generate statistical graphs based on file data.
By WILLIAM A. WATSON

Electro-optic three dimensional displays
A new method for converting 2-D displays to 3-D is discussed, using uniaxial crystals to vary the optical path length between the 2-D display and the viewer.
By H. JOHN CAULFIELD

A high-precision display system for command and control
Technical considerations causing a shift in CRT display design from random beam positioning with analog symbol and vector generation to raster beam positioning with digital symbol and vector generation arc described.
By HERBERT C. HENDR ICKSON

The Rand Tablet: A man-machine graphical communication device
Describes the stylus-tablet device developed by Rand which allows direct communication with computers.
By M. R. DAVIS and T. 0 . ELLIS

New, security alarm telephone system provides total prison communications
The Security Alarm System used by the Maryland Department of Correction and the Chesapeake and Potomac Telephone Co. of Maryland is described.
By VERNON L. PEPERSACK

Single plane vacuum tube readout with ten guns, shaped beam and decimal input
Continuing a series of product-oriented technical articles, this paper discusses Industrial Electronic Engineers Inc., latest innovations in this area.
By DONALD GUMPERTZ

EDITORIAL: Jan Engel. program committee chairman, discusses the recent SID symposium

8th NATIONAL SYMPOSIUM: final report on the recent San Francisco meeting

CALL FOR PAPERS: for the May '68 symposium

SID ACTIVITIES: local and national news

READOUT: local and national news

NEW PRODUCTS: innovations from many firms

NEW LITERATURE: data available on items and ideas

ON THE MOVE: people - their appointments, promotions

SUSTAINING MEMBERS

CORRESPONDENCE: readers write to share their opinions

ADVERTISERS' INDEX: for finding them quickly