The Lincoln TX-2 computer development
IRE-AIEE-ACM '57 (Western) Papers presented at the February 26-28, 1957, western joint computer conference: Techniques for reliability
Sketchpad: a man-machine graphical communication system
AFIPS '63 (Spring) Proceedings of the May 21-23, 1963, spring joint computer conference
Sketchpad III: a computer program for drawing in three dimensions
AFIPS '63 (Spring) Proceedings of the May 21-23, 1963, spring joint computer conference
A time- and memory-sharing executive program for quick-response on-line applications
AFIPS '65 (Fall, part I) Proceedings of the November 30--December 1, 1965, fall joint computer conference, part I
Graphic 1: a remote graphical display console system
AFIPS '65 (Fall, part I) Proceedings of the November 30--December 1, 1965, fall joint computer conference, part I
The RAND tablet: a man-machine graphical communication device
AFIPS '64 (Fall, part I) Proceedings of the October 27-29, 1964, fall joint computer conference, part I
Real time recognition of hand-drawn characters
AFIPS '64 (Fall, part I) Proceedings of the October 27-29, 1964, fall joint computer conference, part I
The Lincoln Reckoner: an operation-oriented, on-line facility with distributed control
AFIPS '66 (Fall) Proceedings of the November 7-10, 1966, fall joint computer conference
Conic display generator using multiplying digital-analog decoders
AFIPS '67 (Fall) Proceedings of the November 14-16, 1967, fall joint computer conference
A progress report on large capacity magnetic film memory development
AFIPS '68 (Spring) Proceedings of the April 30--May 2, 1968, spring joint computer conference
AFIPS '69 (Spring) Proceedings of the May 14-16, 1969, spring joint computer conference
Trends in Graphic Display Design
IEEE Transactions on Computers
AFIPS '69 (Spring) Proceedings of the May 14-16, 1969, spring joint computer conference
On the implementation of AMBIT/G: a graphical programming language
IJCAI'69 Proceedings of the 1st international joint conference on Artificial intelligence
A tablet input facility for an interactive graphics system
IJCAI'69 Proceedings of the 1st international joint conference on Artificial intelligence
A microprogrammed digital vocoder analyzer
ACM SIGMICRO Newsletter
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The TX-2 computer, an experimental machine at the M.I.T. Lincoln Laboratory, has been in operation for almost 10 years as an on-line, graphically oriented facility. In 1964, a time-sharing system for the TX-2 was started. This system, APEX, was to service a small number of consoles with graphic display capability. To achieve hardware economy, displays were to be refreshed from main core memory through a time-shared vector generator providing analog signals distributed to the individual console scopes. The displays were to be refreshed directly from a structured display file as experience with the Sketchpad developments of the early 1960's had indicated was highly desirable for interactive graphic applications. Although the APEX graphic system has evolved through several generations of display hardware and corresponding software changes, the initial design principles of displays refreshed from structured information in main core by a time-shared generator have remained. This paper is an attempt to collect and evaluate some lessons learned from our experience in developing and using this system.