Was? Graham N On 8 Oct 2013, at 11:23, "Whittaker, Dewey (EHCOE)" <[log in to unmask]> wrote: > Mine was papyrus reeds and a clay tablet. > Dewey > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Ed Popielarski > Sent: Tuesday, October 08, 2013 8:51 AM > To: [log in to unmask] > Subject: Re: [TN] NTC for today > > Yup! I laid out many PCB's with Bishop Graphics black tape, mylar with a precision grid and light table below it with a red/blue pencil drawing to follow. Good ole' days for sure! > > Ed Popielarski > Engineering Manager > > > 970 NE 21st Ct. > Oak Harbor, Wa. 98277 > > Ph: 360-675-1322 > Fx: 206-624-0965 > Cl: 949-581-6601 > > https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A > > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge Hernefjord > Sent: Sunday, October 06, 2013 2:10 PM > To: [log in to unmask] > Subject: Re: [TN] NTC for today > > I made my first circuit by hand. Used scalpel and X-film, half sq meter and crimped it in the photolab to 1x2 inches. It was a trigger circuit for laser guided missiles. We produced over 50,000 of them. That was before we bought the X-Acto table. We used both hands and heads. Now quarter of head and index finger.... > > > > On 5 October 2013 23:39, Robert Kondner <[log in to unmask]> wrote: > >> "Computers were simple then" >> >> Did computers really get more complex or just more transistors? :-) >> >> I kind of like the comparison of chemical cameras (film or glass >> plate with silver compounds) to digital cameras when compare >> complexity. I mean the effect of electronics on photography has indeed >> been a revolution. But actually, if you think of tiny grains for >> silver in emulsion as electrochemical pixels you do see that old film >> was not that "Super Simple", it was just easier to manufacture with >> simple tools. >> >> I also marvel at that Apollo computer, and the fact the tools back >> then for designing PCBs were rubylith and X-Acto knives. Like the >> pyramids there are simply ideas that take tremendous engineering efforts to make happen. >> >> Bob K. >> >> >> >> -----Original Message----- >> From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge Hernefjord >> Sent: Saturday, October 05, 2013 5:13 PM >> To: [log in to unmask] >> Subject: Re: [TN] NTC for today >> >> I'm afraid it's not a space plane but just a plan. >> Actually, there is something I always wonder about. Go back to Neil >> Amstrong and that time...Apollo, for instance. The computers at that >> time were simple, compared to today's machines. I know, because I >> passed a glass box every day before I entered the clean rooms. In that >> box was Apollo's main computer, which we built. Lot's of transistors, >> most TO-18 and TO-5. >> Specked with 2N1893, 2121, 2902, which were very popular. Back to the >> path.....as I said, very simple stuff. The main functions were 'small >> push/pull rockets and main rockets, as long as the service module and >> the astronaut capsule were together. And communication radios. And >> sensors of various nature...but in alles rather uncomplicated >> electronics. My >> question: The central station in Houston was a large room with lots >> and lots of work stations. A hundred persons "worked" there, all with >> their noses close to the many large computer displays.Why was it >> necessary with such many work stations? >> >> Inge >> >> >> On 5 October 2013 20:13, Steven Creswick <[log in to unmask]> >> wrote: >> >>> Hey, >>> >>> >>> >>> I read somewhere that Sweden is making a spaceplane. How about a >>> ride on that, and play the Blue Danube?!!! >>> >>> >>> >>> Have a good time cruising! >>> >>> >>> >>> steve >>> >>> >>> >>> From: Inge Hernefjord [mailto:[log in to unmask]] >>> Sent: Saturday, October 05, 2013 1:17 PM >>> To: TechNet E-Mail Forum; Steven Creswick >>> Subject: Re: [TN] NTC for today >>> >>> >>> >>> Thank you, buddy, >>> take care ya'self. >>> >>> Inge >>> >>> >>> >>> On 5 October 2013 02:43, Steven Creswick <[log in to unmask]> >>> wrote: >>> >>> It's probably already tomorrow there, but happy belated birthday Inge! >>> >>> Steve >>> >>> >>> -----Original Message----- >>> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ed Popielarski >>> Sent: Friday, October 04, 2013 3:32 PM >>> To: [log in to unmask] >>> Subject: [TN] NTC for today >>> >>> It's Ingemar Hernefjord's birthday today! >>> >>> Happy Birthday, Inge! >>> >>> Ed Popielarski >>> Engineering Manager >>> >>> [Description: FullLogo] >>> 970 NE 21st Ct. >>> Oak Harbor, Wa. 98277 >>> >>> Ph: 360-675-1322 >>> Fx: 206-624-0965 >>> Cl: 949-581-6601 >>> >>> https://maps.google.com/maps/myplaces?hl=en >>> < >>> >> https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&s >> pn=0 >> . >>> 011188,0.033023&ctz=420&t=m&z=16&iwloc=A> >>> &ll=48.315753,-122.643578&spn=0.0 >>> 11188,0.033023&ctz=420&t=m&z=16&iwloc=A >>> >>> >>> ____________________________________________________________________ >>> __ This email has been scanned by the Symantec Email Security.cloud >>> service. >>> For more information please contact helpdesk at x2960 or >>> [log in to unmask] >>> ____________________________________________________________________ >>> __ >>> >>> >>> ____________________________________________________________________ >>> __ This email has been scanned by the Symantec Email Security.cloud >>> service. >>> For more information please contact helpdesk at x2960 or >>> [log in to unmask] >>> ____________________________________________________________________ >>> __ >>> >>> >>> >>> >>> >>> ____________________________________________________________________ >>> __ This email has been scanned by the Symantec Email Security.cloud >>> service. >>> For more information please contact helpdesk at x2960 or >>> [log in to unmask] >>> ____________________________________________________________________ >>> __ >>> >> >> >> ______________________________________________________________________ >> This email has been scanned by the Symantec Email Security.cloud service. >> For more information please contact helpdesk at x2960 or >> [log in to unmask] >> ______________________________________________________________________ >> >> > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. 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