MechanicalComputing
MechanicalComputing
  • Видео 11
  • Просмотров 1 524 856
Babbage's Difference Engine No. 2, Part 4: The Control Section
In the 1840's, the English mathematician Charles Babbage designed his "Difference Engine No. 2", a special-purpose mechanical computer for constructing mathematical tables using the method of finite differences. The machine is massive, weighing several tons, and was not actually built until 1991.
This multi-part video series explains what the Difference Engine No. 2 does and how it works.
Просмотров: 21 992

Видео

Babbage's Difference Engine No. 2, Part 5: Initialization
Просмотров 13 тыс.9 лет назад
In the 1840's, the English mathematician Charles Babbage designed his "Difference Engine No. 2", a special-purpose mechanical computer for constructing mathematical tables using the method of finite differences. The machine is massive, weighing several tons, and was not actually built until 1991. This multi-part video series explains what the Difference Engine No. 2 does and how it works.
Babbage's Difference Engine No. 2, Part 3: Interlocks
Просмотров 15 тыс.9 лет назад
In the 1840's, the English mathematician Charles Babbage designed his "Difference Engine No. 2", a special-purpose mechanical computer for constructing mathematical tables using the method of finite differences. The machine is massive, weighing several tons, and was not actually built until 1991. This multi-part video series explains what the Difference Engine No. 2 does and how it works.
Babbage's Difference Engine No. 2, Part 2: The Calculation Section
Просмотров 72 тыс.9 лет назад
In the 1840's, the English mathematician Charles Babbage designed his "Difference Engine No. 2", a special-purpose mechanical computer for constructing mathematical tables using the method of finite differences. The machine is massive, weighing several tons, and was not actually built until 1991. This multi-part video series explains what the Difference Engine No. 2 does and how it works.
Babbage's Difference Engine No. 2, Part 1: The method of finite differences
Просмотров 37 тыс.9 лет назад
In the 1840's, the English mathematician Charles Babbage designed his "Difference Engine No. 2", a special-purpose mechanical computer for constructing mathematical tables using the method of finite differences. The machine is massive, weighing several tons, and was not actually built until 1991. This multi-part video series explains what the Difference Engine No. 2 does and how it works.
How the Arithmometer Works
Просмотров 44 тыс.10 лет назад
The Arithmometer invented by Thomas de Colmar was the first mass produced and marketed mechanical calculator. This video describes in detail how the Arithmometer works.
How the CURTA Works
Просмотров 605 тыс.10 лет назад
The CURTA calculator is a marvel of engineering and a favorite of collectors. This video describes in detail how the CURTA Type I calculator works. (The operating principles of all the CURTA models are the same as for the Type I.) This video was created using the YACS CURTA simulator, which you can play with at satadorus.eu/x_ite/yacs_2_0/yacs_2_0.html
How 10-key Adding Machines Work
Просмотров 22 тыс.11 лет назад
This animation explains how the Remington-Rand Model 73A adding machine works. The design of the Model 73A is similar that of most 10-key mechanical calculators produced in the 1940's and 50's.
How Pinwheel Calculators Work
Просмотров 129 тыс.11 лет назад
A visual explanation of how pinwheel calculators work. Pinwheel calculators were invented in the 1870's and popular for almost 100 years. The specific details described in this video are for the Triumphator Model K, but the mechanisms are very similar in all pinwheel calculators. I have been asked about how division can be performed on pinwheel calculators. A good explanation can be found on th...
How the Pascaline Works
Просмотров 532 тыс.12 лет назад
A visual explanation of how the Pascaline works. The Pascaline was the first successful mechanical calculator. It was developed in the 1640's by the mathematician Blaise Pascal. This video includes detailed animations explaining how the mechanisms inside the Pascaline work and shows how the Pascaline can be used to add or subtract a series of numbers.
How the Comptometer Works
Просмотров 33 тыс.12 лет назад
A visual explanation of how the Comptometer, the first practical key-driven calculator, works. Comptometers were manufactured continuously from 1887 until the 1970s. The specific details described in this video are for a Model F Comptometer, built around 1915.

Комментарии

  • @musabbafridi8721
    @musabbafridi8721 7 лет назад

    Wonderful video, beautifully executed! And great explanations. Thank you very much!!

  • @jeremyclayton-travis1991
    @jeremyclayton-travis1991 7 лет назад

    I am totally taken aback by this device. I think I understood some of it but the maths at the beginning didn't help me as I didn't understand any of it but I loved the video. I do have 2 of these machines.

  • @leleedler
    @leleedler 7 лет назад

    I recently found one of these jems sitting in the garbage near where I work. I was throwing away the rest of my lunch when I recognized a similar little black cylinder. I still don't know why it would be there but, I am not complaining, I now own something I always dreamed to own.

  • @fiveseven808
    @fiveseven808 7 лет назад

    Thank you for the amazingly informative video!!!

  • @kingzfan2000
    @kingzfan2000 7 лет назад

    how the hell can anyone be smart enough to invent something like this without computers

  • @kingzfan2000
    @kingzfan2000 7 лет назад

    how on Earth does one invent something like this? this is truly baffling

  • @zxcv338
    @zxcv338 7 лет назад

    A great visual for how math works

  • @mundolukas
    @mundolukas 7 лет назад

    For those who wonder how the creator managed to develop this complicated device.... People had MUCH more free time back then, also there were much less distractions.

  • @Omnihil777
    @Omnihil777 7 лет назад

    Great videos, exceptional channel. Love it. It's a shame i haven't discovered it earlier.

  • @laxpors
    @laxpors 7 лет назад

    I actually understand how it works now! Thanks!

  • @Alexaflohr
    @Alexaflohr 7 лет назад

    This is absolute genius, really. Clockwork, in general, fascinates me, but this design really takes the cake. The primary issue here is all of these metal parts scraping against each other. So much oiling would be required for this thing it's insane. I wonder if we could make a purely mechanical computer on a micro-scale using modern laser-manufacturing methods.

    • @MechanicalComputing
      @MechanicalComputing 7 лет назад

      The two copies that were actually built by the Science Museum in London are indeed dripping with lubricants.

  • @Eggsr2bcrushed
    @Eggsr2bcrushed 7 лет назад

    forget designing it, I wanna know how they made it with 1940's tech. no CNC machines back then.

  • @lifeisgood12341
    @lifeisgood12341 7 лет назад

    wow I appreciate some simple yet beautiful mechanisms and that part to return the added number is beautiful

  • @machinethinking
    @machinethinking 7 лет назад

    truly fantastic

  • @SCHMULBACH22
    @SCHMULBACH22 7 лет назад

    I love the combination of engineering and math behind this. I doubt most the students at my engineering school could come even close designing a mechanical calculator like this with our current resources (including me!)

  • @Thaddeus3rd
    @Thaddeus3rd 7 лет назад

    My hat is off to this gentleman who created such a work of mechanical beauty and functionality. And I tip my brim to you sir for sharing and explaining this masterpiece in such clarity. Thank you.

  • @syntheticelementvids
    @syntheticelementvids 7 лет назад

    Amazing video, the man who designed this without a computer was a genius.

  • @mattgreenosu
    @mattgreenosu 7 лет назад

    Very nice explanation.

  • @felrickson
    @felrickson 7 лет назад

    Excellent

  • @adrianwilliams8305
    @adrianwilliams8305 7 лет назад

    So ingenious and intricate... Reading about it just doesn't do it justice.

  • @CH3LS3A
    @CH3LS3A 7 лет назад

    I'd love to have this... just spending hours playing with this would be a dream

  • @sakinaboriwala8772
    @sakinaboriwala8772 7 лет назад

    Great video! Thanks. Helped a lot

  • @Jeffrey314159
    @Jeffrey314159 7 лет назад

    Yes, excellent video demonstration by simulation

  • @mercedesmaennl2603
    @mercedesmaennl2603 7 лет назад

    Great video well explained ! I used to work with one of these in the 60ts.

  • @stuckinsideofmobile9957
    @stuckinsideofmobile9957 7 лет назад

    how did some guy in the 1800s come up with this?

  • @ramonfernandogomezvalera9039
    @ramonfernandogomezvalera9039 7 лет назад

    muy buen video, gracias por compartir sus conocimientos. Saludos desde Venezuela

  • @YonatanZunger
    @YonatanZunger 7 лет назад

    That was an excellent explanation and illustration!

  • @larryblustain9550
    @larryblustain9550 7 лет назад

    Damn clever people made those things. Great demonstration, too.

  • @tjejojyj
    @tjejojyj 7 лет назад

    That was elegant and easy to easy to follow; just like the Curta perhaps? You got my subscription.

  • @jimminilsson5182
    @jimminilsson5182 7 лет назад

    Fantastisk teknisk film beskrivelse, super.

  • @wallywutsizface6346
    @wallywutsizface6346 7 лет назад

    This is cool. It's weird to thing somebody invented a calculator well before the Industrial Revolution.

  • @DigGil3
    @DigGil3 8 лет назад

    Now I know how a decimal shift register is supposed to work, thanks.

  • @fcamuso
    @fcamuso 8 лет назад

    Great, GREAT work, thank you so much!

  • @nimishdwarakanath3483
    @nimishdwarakanath3483 8 лет назад

    Amazing animation, Thanks :)

  • @pev_
    @pev_ 8 лет назад

    Thank you! What an incredible device, and incredibly well made video!

  • @azvedicgurukul
    @azvedicgurukul 8 лет назад

    Extremely well done. Thank you.

  • @theoreticalbear3806
    @theoreticalbear3806 8 лет назад

    Mind. Blown.

  • @llewellynpatrick160
    @llewellynpatrick160 8 лет назад

    An excellent explanation of the device - thank you.

  • @digerttm
    @digerttm 8 лет назад

    Ok, this is really cool.

  • @willfrancis858
    @willfrancis858 8 лет назад

    thank you for these! Really appreciate your efforts!

  • @pd10642
    @pd10642 8 лет назад

    This is a most wonderful presentation of this fascinating machine; you truly must have a deep love for the aesthetics of it!

  • @danielpalomo6753
    @danielpalomo6753 8 лет назад

    Well, this explanation used the simulator CG to great advantage. This is the closest I have come to actually understanding the mechanism. Thanks for this brilliant explanation!

  • @davidthegreen
    @davidthegreen 8 лет назад

    Incredible.

  • @CuriousMarc
    @CuriousMarc 8 лет назад

    This is just brilliant. The clarity of the presentation is exemplary, while retaining all the interesting details, which is very hard to do.

  • @Antebellum1860
    @Antebellum1860 8 лет назад

    Thank you. A super video with a super narration. I fell in love with the Curta the first time I saw it advertised in Scientific American. Unfortunately being a teenager with no disposable income and my parents with low disposable income, the Curta was my first unrequited love.

  • @vincentcheng62
    @vincentcheng62 8 лет назад

    marvelous!

  • @ramonrivero
    @ramonrivero 8 лет назад

    Amazing work congrats!!!

  • @rodrigoep01
    @rodrigoep01 8 лет назад

    Very good! Congratulations.

  • @sickleandsuckle
    @sickleandsuckle 8 лет назад

    I can't believe this was designed without CAD....the guy must have been a genius!

  • @ptonpc
    @ptonpc 8 лет назад

    It is amazing to see how people solved these problems before the advent of electronics.