And he then put Obinna through with a magnificent slide-rule pass to wrap up the win with two of the 120 minutes remaining.
Hibs defender Derek Collins was still able to deliver a slide-rule pass to Miller but the young Hibs forward hesitated and Main blocked.
The Arsenal player cut in from the right and hit a slide-rule pass into the path of Semshov, momentarily lost by Stock, who struck a low, angled shot into the bottom left corner.
Fortunately for them Hull were even shakier and before the half-hour mark Torres doubled the lead, slipping on to a Benayoun slide-rule pass, nonchalantly rounding Ibrahima Sonko and Myhill before clipping into the net.
Haphazardly constructed over 40 years, it was based on 1960s, slide-rule era science that the Army Corps of Engineers never bothered to update, even as sophisticated computer models became the norm in engineering circles.
However, they were only brief forays into the opposition half and former Latic Valencia soon added United's fifth of the night, running on to Rooney's slide-rule pass to chip over substitute keeper Mike Pollitt and into the far corner.
The particular slide rule that Breitling uses contained features making a host of pilot-appropriate calculations possible.
They have a dedicated slide rule tutorial on their website for those eager to learn about this semi-archaic piece of computational technology.
Some eye-care offices have a device called an accommodation rule that allows a technician to slide an eye chart back and forth to simulate different distances.
The symbol of the test-pilot school at Edwards Air Force Base in the Mojave desert, where Mr Armstrong spent years testing military jets, flying the X-15 at 4, 000mph to the very edge of the atmosphere, is a slide rule over a stylised aircraft.
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