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Everything posted by Craig Sawyers
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In the 1950's 16 2/3 rpm vinyl records were pressed containing books for the visually impaired and blind. Autochangers from that era always had a speed position for 16 2/3 rpm. It was a format that did not last for long.
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Hope you had a great day, Nate!
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The main advantage of the 465B does not relate to performance, it is mainly due to internal design changes, and the fact that it is a more recent (1978) design. But the 465, 465B (both 100MHz) and the 475A (250MHz) have a maximum sensitivity of 5mV per division. The 475 has a bandwidth of 200MHz, but a maximum sensitivity of 2mV per division. So it really depends on what bandwidth you need, and what sensitivity you need, and that dictates your choice.
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Have you thought about a turbo-trainer and using your road bike?
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Have a great day Naaman!
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I'm a collector of (mainly) 7000-series scopes, most of which use custom silicon. The 7104 and 7904A are full of them in esoteric Tektronix packages. I have not had a single custom IC failure in any 7000 mainframe or plugin. There are other irritating failures that crop up after 30-40 years, but no dead chips. However the 2465 and related scopes have a weakness in the IC's with an integrated heatsink. It is not a silicon failure, but a bondwire failure. I recall that there are those who can open up the IC and rebond the chip, and reassemble. For a more modern offering, cost effective, and reliable Rigol is a good call. Ah - here we go regarding fixing the hybrids in the 2400 series scopes https://www.sphere.bc.ca/test/tek-parts/tek-info.html
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Last summer we were on a walking holiday in Switzerland, and on the wall in the hotel dining room was a print of this picture. It shows that love of coffee has been going on for a long time. https://www.pictorem.com/97173/An old man making coffee.html dating from the mid/late 1800's Also in Neville Shute's novel "A town called Alice" two men are talking in a London Gentleman's club just after WWII. One of them is bemoaning the lack of decent coffee at that time, and remembering real ground coffee, which must be ground no more than a few minutes before being brewed. Going back even further to Samuel Pepys in the mid 1600s mentions coffee houses in London. They were used for all sorts of purposes, often meeting places for politics and business discussions. So, good coffee appreciation has been going for well over 300 years!
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Have a superb excessive time! Happy birthday!
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The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
You heard it here first -
Have a spectacular day Steve!
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I buy my beans ready roasted. Been through a number of artisan roasters over the years, but currently use this one https://www.monsoonestatescoffee.co.uk/
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The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
Hence the need for an artificial hand. The thermodynamics is really where the thought exercise falls down - a box that is sufficiently insulated so there is no heat flow into or from the chicken via the environment over much greater than one year? A mechanical or electrical coupling into the artificial slapping hand that has no additional heat flow? I think I'll just keep using the oven -
The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
Quite. His calculation does not work anyway, because the majority of any animal is water. So you first of all have to overcome the latent heat of fusion, which is 334J/g. So to take a 1kg frozen chicken at 0C to an unfrozen chicken at 0C takes 334,000 J, which would take 37.5 mega-slaps. Actually the main calculation is wrong anyway. Assuming his specific heat capacity is correct at 2270 J/kg (pure water would be 4200, so his number seems about right). I would not cook a chicken to 205C, because it would be a cinder, but leave his assumption in place. So from an unfrozen chicken at 0C to a cooked cinder at 205C would take 2270 x 205 / 0.0089 = 5.2 mega-slaps (not 23 kiloslaps) which would take 60 days at one slap per second. So the conclusion is 1.2 years to unfreeze the chicken at 60 days to cook it to a cinder (or about 22 days to cook it to 75C, the accepted internal temp of a cooked chicken). Of course you'd need an artificial hand that was at all times isothermal with the chicken so that no heat (from a hot hand) was transferred to the chicken at any point. And the whole shebang would have to be in a perfectly insulated box. Apart from those trivial problems...... -
The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
Here's the truly ironic thing about that twat Jacob Rees-Mogg. He is massively in favour of leaving the EU without a deal. And a few months ago he moves his personal fortune of UKP500M from the UK to a bank in the Republic of Ireland (in other words to the EU). Because he knows that if we leave without a deal, the UK economy is going down the toilet fast. Bastard. Real bastard cunt fucker. -
Have a great day! Happy Birthday!
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The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
I think Bill Bailey is one of the finest comedians around - and a fine musician, All of his sets are clean. No swearing (or exceptionally rarely), no innuendo, no double entrentres. He got a diploma from the London College of Music, Which explains why he knows his way around a keyboard. -
The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
IF YOU'RE HAPPY AND YOU KNOW IT.... -
You are a constant surprise, Reks - I never would have figured you as a cat-whisperer. But you sure are!
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Happy birthday you ex-pat Brit, you! Have a great one, Grahame!
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The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
Shakespeare had something to say about that: "But lust, though to a radiant angel linked, will sate itself in a celestial bed and prey on garbage" Hamlet's father's ghost. -
Mine sleep on my amp because it is warm. Every now and again I have to take the lid off and vacuum out the fur.
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Jeeze Reks. Had no idea. Really seriously hope you are OK.
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The Knuckledragger 3rd Memorial Slow Forum Post
Craig Sawyers replied to Knuckledragger's topic in Off Topic
Knopfler is from my original neck of the woods in the north of England in Newcastle. He's lost a lot of his accent now, with only hints remaining. Like the slide guitar tubes "me dad" made. He bought his first guitar from Windows music shop in the late 60's. Just missed being there, working as a Saturday sales guy in 1972 at the tender age of 16. https://www.jgwindows.com/ -
Happy birthday!
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Designed by Nelson Pass in consultation with the late great Siegfried Linkwitz. Just spotted I already said that way up this thread