BENDIX
G-15

INTRODUCED IN 1956 BY BENDIX AVIATION
THE CHIEF DESIGNER WAS HARRY HUSKEY
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CONSIDERED BY SOME TO BE THE FIRST PERSONAL COMPUTER
IT USED MAGNETIC DRUM MEMORY (2160 WORDS OF 29 BITS)
CONTAINED 180 VACUUM TUBE PACKS & 300 GERMANIUM DIODES
ORIGINAL PRICE $49,500
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BENDIX COMPUTER DIVISION WAS BOUGHT BY CDC IN 1963 LEADING TO THE G-15s DECLINE
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ESTIMATES ARE BETWEEN 300 AND 400 G-15s WERE PRODUCED IN TOTAL
EARLY COMPUTERS WERE OFTEN SCRAPPED AND ONLY A FEW OF THESE EXIST TODAY

G-15 BROCHURE

G-15 BRL REPORT

G-15 INTERCOM 1000


THIS IS A VERY RARE FRONT CONSOLE CONTROL PANEL FROM A BENDIX G-15 SYSTEM
CONTROL PANEL (FRONT)
CONTROL PANEL (BACK) 
 
SWITCHES
INDICATOR LIGHTS
RUNTIME/VOLTS/START SWITCH

BENDIX G-15 CIRCUIT BOARD TESTER
"PACKAGE TESTER #2"
SLOTS FOR CLAMP - D1 - D2 - D3
20" X 7.5" X 3
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FROM A CONTROL DATA CORPORATION PLANT (CDC BOUGHT OUT THE BENDIX COMPUTER DIVISION IN 1963)
FRONT PANEL
OPENED

THESE ARE TRANSISTOR BOARDS FROM A G-15 SYSTEM
THE TESTER ABOVE HAD A SLOT FOR EACH OF THESE TYPES OF BOARDS
DC DIODE CLAMP CIRCUIT
D1 DIODE CIRCUIT
D2 DIODE CIRCUIT
D3 DIODE CIRCUIT

THESE ARE VACUUM TUBE BOARDS FROM A G-15 SYSTEM 
VACUUM TUBE PLUGGABLE BOARD
FLIP-FLOP
VACUUM TUBE PLUGGABLE BOARD #2
BUFFER INVERTER

DA-1 DIFFERENTIAL ANALYZER

PERIPHERAL OF THE BENDIX G-15
ENABLES G-15 TO OPERATE AS A DDA - FOR THE SIMPLIFIED SOLUTION OF LINEAR DIFFERENTIAL EQUATIONS
USES ALL G-15 INPUT OUTPUT DEVICES
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108 INTEGERS - 108 CONSTANT MULTIPLIERS (UPDATED 34 TIMES/SEC) - PRECISION TO 7 DECIMAL POINTS
DA-1 INTERFACE PANEL
19.00" X 5.25"
CONNECTS THE DA-1 TO THE G-15

 

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