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The first System 360's had no stripes ...
On April 7, 1964, IBM introduced the System/360, the first large
"family" of computers to use interchangeable software and peripheral
equipment using the IBM continuity Solid Block logo in a light color on a black background. All the press releases and
photos of the first systems reveal this logo color combination. These first 360's supported
both punch card and magnetic tape storage and the "old" solid block stripeless logo. |

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Mixing the old with the new - June 1966 ..
The Thirteenstripe logo has been said to have first been introduced to management several times between 1960 and 1962 and was rejected
due to contrast and printing concerns. For reasons beyond explanation the Thirteen Striper was chosen for the masthead of the IBM TSS/360 by the engineering group.
As far as I can tell the TSS/360 Mastheads was the first system to sport the Thirteen Stripe logo in black stripes on a light
background. This rare mastheads introduced the new logo on the old colors!
I rescued it in 1979 from a system that was being scrapped for its gold content.
It was said to have been one of the first model 67 based TSS/360 Systems. This system was reported to have come from
Commercial Time Share Services one of the first test sites. |

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1967 the ThirteenStriper first appeared in public ...
In 1967, when IBM introduced the first Disk drive storage
system, the System 360's began to sport the new look. This flashy
new IBM logo. Although this logo was reported to have been introduced
by Paul Rand in 1960 and again in 1962, it was considered to "far
out" by the brass and was not to be seen by the general public until
1967. The new masthead was a solid black bar with silver 13 striped logo
and lettering, matched the silver on black look of the new front
panels. This distinctive new silver on black look was continued into the System 370 family of computers,
when the logo design was refined one last time. The resulting eight stripe design remains in use today. |