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Another one of a kind 16mm reel, this time in glorious Ektachrome! This one has my narration since it is a silent reel but I know nothing about who shot this, or if it ever became a finished film, or if there are published copies of the final version still in existence, but I'll talk about what I see as I see it. Enjoy!
More about color correction on these films - https://youtu.be/OFlHP2XZADU
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#Electronics #film #60's
- Intro Music by Fran Blanche -
Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
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By Fran

18 thoughts on “Electronics film in the making 1969”
  1. Avataaar/Circle Created with python_avatars matteolab.org says:

    I enjoy these in-process work print films and I absolutely love the commentary and explanations!

  2. Avataaar/Circle Created with python_avatars sguttag says:

    In my industry, cinema, the large Mallory capacitors were in use widely for xenon lamp rectifiers. Audio power amplifiers also will use large capacitors too.

  3. Avataaar/Circle Created with python_avatars Pete Vee says:

    My dad had several packs of that brand of orange graph paper. Was great for penciling out design plans for all kinds of stuff. 🙂

  4. Avataaar/Circle Created with python_avatars Hola! TheCatLady says:

    "Made in the USA", lol! Back in the day we wouldn't touch anything made in the USA, we knew from experience what garbage it was. Made in Japan, now that was good quality 🙂

  5. Avataaar/Circle Created with python_avatars Franko Walker says:

    Great film and commentary. Far more information than I will ever need. (or understand LOL).

    Cheers Fran.

  6. Avataaar/Circle Created with python_avatars bruce pickess says:

    Hi Fran. Good interesting video and well narrated and presented, let's have some similar video's.

  7. Avataaar/Circle Created with python_avatars Lunchpacked180 says:

    Maybe it was or was supposed to be some sort of "teacher on tape" that could be copied and sent out anywhere or something like that

  8. Avataaar/Circle Created with python_avatars bruce pickess says:

    Hi Fran, looking at the trace on the storage scope you said about the signal being applied to the X and Y axis inputs to get that trace. However I think that that was a slow timebase single shot trigger trace of just the Y input channel. Just for your info I worked as a test engineer for a company that manufactured storage scopes and sold ink trace chart recorders amongst other test equipment mid 1960s to 1976.

  9. Avataaar/Circle Created with python_avatars Tucson Analog Workshop says:

    Going from the lack of visual quality, I'd guess this was likely an in-house production at a University perhaps, and assuming they utilized the human and equipment resources on hand, a 30 minute film back then could be produced for less than $1000, including film stock, processing, sound recording and a final print. For example, Ektachrome 16mm raw stock cost around $10 per 100' (3 min)…processing and a work print would be another $10-15. If they shot an hour of raw film, that would be ~$500. You have to remember 16mm cameras and related equipment was almost as ubiquitous as video in the 80s-90s, especially in institutions

  10. Avataaar/Circle Created with python_avatars Scott Thomas says:

    I had one of those big Mallory electrolytic capacitors on the homemade power supply that ran my am/fm/8-track player I had in high school. Those capacitors were common then.
    Those Eveready batteries…put a lot of those with that design in toys as a child…
    One shop teacher I had pronounced capacitor as " capacitater". That brought a weird image to mind…fields of capacitaters in Idaho…

  11. Avataaar/Circle Created with python_avatars ThePoxun says:

    I really wish it had the narration. I think I disagree that they were planning on adding graphics for the various hand drawing sections. I feel this was a production for use in school tuition and while the primary subject of the film is capacitance the real goal was to demonstrate and discuss the techniques on how you might measure and record data in a lab. This is why they had what was effectively the same experiment with different methods being recorded as you might do while taking notes in a classroom setting with diagrams of the setup as well as results… from manual recording, to the stopwatch, to the stopclock (which was set up with a start/stop switch to allow for pausing and making additional data observations) and then moving on to more 'automatic' recording such as the storage-scope and plotter, the last two possibly out of reach of the budget of some schools.

  12. Avataaar/Circle Created with python_avatars Bruce Corbett says:

    If those big caps are the ones I worked with, the spot on the top is like a safety valve for when it got too hot, like when connected backwards, and the electrolyte would blow out like a volcano. Reminds me of a funny occurrence of that.

  13. Avataaar/Circle Created with python_avatars amojak says:

    that mallory cap takes me back to the late 70's, i had one hooked up to a diode voltage doubler off my bike dynamo. it smoothly ran a cassette player taped to the top bar 🙂

  14. Avataaar/Circle Created with python_avatars amojak says:

    what would be great would be a suitably old sckool style re-make of the dialogue for this film. it would not be hard to reconstruct what is being said.

  15. Avataaar/Circle Created with python_avatars Fightosaurus says:

    Such brilliant information. Thank you for your insight and enormous contributions to our community, ma'am!

  16. Avataaar/Circle Created with python_avatars kd1s says:

    All I remember is that capacitors store energy in an electric field, while inductors store it in a magnetic field.All from my study of phase angles.

  17. Avataaar/Circle Created with python_avatars TheDevice9 says:

    Flair pens really sucked. I'd forgotten how very little you could write before the ink started to dry out and stop flowing.

  18. Avataaar/Circle Created with python_avatars Kendra Akin says:

    When I was in the business of 16mm film around 1970 the quick answer to the cost was $1,000 a minute. And that was often a reasonably accurate estimate given a small crew, lights and equipment, and a voice-over announcer.

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