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  • admin: : Publicación del Boletín Nº 31 Octubre 2022 de la UKSRC en Español!! ver en [link]
    Noviembre 02, 2022, 11:23:23 am
  • Mac: Hola
    Noviembre 02, 2022, 18:45:45 pm
  • Mac: Ho hola buenas tardes me gustaría saber algo más sobre mí mi regla León lalanne de 1850 con recubierto de cristal
    Noviembre 02, 2022, 18:52:11 pm
  • Mac: Saber si es rara , interesante,coleccionable etc
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  • admin: Reyes Magos 2023 para ARC:  El regalo para un Rey   [link]
    Enero 06, 2023, 03:16:35 am
  • Hidroneperiano: Buenas tardes a todos, es la primera vez que entro a este foro
    Febrero 04, 2023, 18:57:10 pm
  • Hidroneperiano: Es un placer hacerlo y saludar a todos
    Febrero 04, 2023, 18:57:33 pm
  • jfz62: Hola Hidroperiano, Ya habrás comprobado que el chat no esta muy poblado, mejor escribe un mensaje de presentación en la sección Bienvenido a ARC: [link]
    Febrero 11, 2023, 21:03:25 pm
  • JB: Hola a todos Soy José María, de "un lugar de La Mancha de cuyo nombre no quiero acordarme", recién llegado a esta plaza. Cuando he buscado manuales o información sobre reglas de cálculo, he dado en muchas ocasiones con reglasdecalculo.com y con este foro. ARC y otros grupos de amigos de las reglas de cálculo están colaborando en preservar lo que es un patrimonio tecnológico y también cultural (sí, la tecnología también es cultura) de la humanidad. Es un patrimonio de 400 años, que estando en desuso (sin lamentaciones: es el devenir de la Historia), se mantiene vivo gracias a aficionados y curiosos como los miembros de ARC. Como aficionado y curioso me uno a este grupo. Como dicen los ingleses "birds of a feather flock together", o nosotros "Dios los cría y ellos se juntan". Tengo interés, fundamentalmente, en el cálculo no electrónico: reglas de cálculo (con una querencia especial por las que llamáis aquí "hormigoneras" y de cálculos hidráulicos), tablas logarítmicas, calculadoras mecánicas, nomografía,... Nunca estuve en un foro. Me tomaré mi tiempo, observando, para ver cómo funciona esto. Un saludo desde La Mancha
    Febrero 13, 2023, 16:39:57 pm
  • Hidroneperiano: Hola a todos me estreno en el chat
    Febrero 15, 2023, 20:44:40 pm
  • JB: Hola. Aprovechando que a estas horas nadie me disputa la palabra, os envío el link [link], donde podéis trastear con la N-Universale, sistema Baggio, como regla virtual. Buscadla en el menú desplegable. El buscador indica que es una página no segura, pero es por no estar registrada. Puedo asegurar y aseguro, que es segura
    Febrero 25, 2023, 22:41:38 pm
  • Josep: Lafayette F686
    Septiembre 06, 2023, 11:14:51 am
  • Epsilon: Sabadell
    Noviembre 24, 2023, 10:11:08 am
  • jfz62: Epsilon: Sabadell    ¿?¿?
    Noviembre 25, 2023, 20:32:35 pm
  • AHMS: De un Genio.... Solo se esperan genIalidades. R.I.P. jORGE
    Abril 08, 2024, 08:56:03 am
  • AHMS: Hola a todos... La vida sigue igual. ¡Aaaleeluyaaaa!
    Mayo 04, 2024, 09:24:06 am
  • AHMS: GMA.... Estas como editor. Perfecto.
    Mayo 04, 2024, 09:28:18 am
  • JB: La hormigonera Nestler 0440 es una regla especial puede calcular en rotura (la única?). Poca información hay de ella y se encuentra aquí en ARC. Recientemente he encontrado alguna información en [link] He podido consultar las normas holandesas por las que se rige la regla y un librito que explica el método de rotura que se sigue en ellas. También he elaborado un papelito en el que muestro, por ejemplo, la relación de la regla con la "parábola de Madrid", el porqué del 35 rojo en la escala central, del coeficiente de seguridad 1,8 que se repite, la expresión algebraica de los parámetros de la regla y relación entre ellos, la revisión de los ejercicios del manual y la humorada de ver cómo se comporta la regla resolviendo 4 ejercicios del "Hormigón Armado, de J. Montoya" (adelanto que sorprendentemente bien). Sé que es un ámbito de interés muy específico, sólo para aquellos miembros de la Orden de los Caballeros de la Regla muy hormigoneros. Si hay interés, puedo compartir el papel, si se me indica cómo.
    Abril 26, 2025, 16:07:13 pm

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Pre-Anuncio IM2024 Virtual
« en: Noviembre 25, 2023, 20:31:50 pm »
 Llegado hoy por e-mail:

 Pre-Announcement IM2024

People interested in Slide Rules and Historical Calculating Instruments are all over the world and are sometimes a member of one of the country organisations like the KRING in the Netherlands, The UKSRC in The United Kingdom, The RST in Germany, The Oughtred Society in the USA with their websites or are organised in dedicated groups in Spain, Italy, France, ISRG, ISRM, Internet discussion groups, etc or are individuals with their own websites.

The country organisations have organised Face-to-Face International Meetings from 1995 to 2019 to meet each other. Since the corona period this changed to virtual ZOOM Meetings, with the added advantage that more collectors start participating. During the recent IM2023 last September, it was discussed that expanding these IM’s to a larger group of collectors is a way to facilitate communication between collectors of all countries and to distribute knowledge as wide as possible. This is important because the number of collectors is worldwide reducing due to the age aspect.
For 2024 the KRING from The Netherlands will facilitate a virtual International Meeting. We will collect direct and indirect email addresses to reach as much as possible collectors. We ask country organisations and other formal and informal groups to forward this announcement. The more collectors with knowledge, the wiser we will become. If you know collectors who are interested, please forward the address and we will put them on our mailing list.

IM2024 as virtual ZOOM meeting

Date: 21 and 22 September 2024.

Theme: Sliderules and Slidecharts for Special subjects

This opens the possibility for you to present your research work done in recent times or to investigate a challenging subject. After more than 300 years sliderules there is still much to investigate.

During the previous Face-to-Face International Meetings, all presentations were presented in Proceedings, which ensures accessibility of your work in the future. These IM Proceedings are now collector items by itself. To ensure that your work presented during the virtual meeting will be saved for future, your presentation - as text article - will be published in the Journal of the Oughtred Society, as alternative for the Proceedings. Details will follow.

With this Pre-Announcement we hope to initiate an interesting program next year.

If you are interested to participate or to give a presentation, sent an email to im2024@rekeninstrumenten.nl

Regards,
Chris Hakkaart, Andries de Man, Leo van der Lucht
Vote J.G. Fernandez (e-lento) for OS Award!!

jfz62@reglasdecalculo.com

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Re: Pre-Anuncio IM2024 Virtual
« Respuesta #1 en: Mayo 21, 2024, 18:57:05 pm »

Me acaba de llegar este complemento de información:


  IM2024 as virtual ZOOM meeting
 
Date:
 21 and 22 September 2024.
 
Time:
 about 9AM–1PM PDT, 12–4PM EDT, 5PM–9PM BST, and 6PM–10 PM CEST,
so the presentations can be joined all over the world.
 
Theme:
 Slide  Rules and Slide Charts for Special Subjects



 

 

Announcement IM 2024

People interested in Slide Rules and Historical Calculating Instruments are all over the world and are sometimes a member of one of the country organisations like the KRING in the Netherlands, The UKSRC in The United Kingdom, The RST in Germany, The Oughtred Society in the USA with their websites or are organised in dedicated groups in Spain, Italy, France, ISRG, ISRM, Internet discussion groups, etc or are individuals with their own websites.

The country organisations have organised Face-to-Face International Meetings from 1995 to 2019 to meet each other. Since the corona period this changed to virtual ZOOM Meetings, with the added advantage that more collectors start participating. During the recent IM2023 last September, it was discussed that expanding these IM’s to a larger group of collectors is a way to facilitate communication between collectors of all countries and to distribute knowledge as wide as possible. This is important because the number of Slide Rule collectors is worldwide reducing due to the age aspect.

For 2024 the KRING from The Netherlands will facilitate a virtual International Meeting. We will collect direct and indirect email addresses to reach as much as possible collectors. We ask country organisations and other formal and informal groups to forward this announcement. The more collectors with knowledge, the wiser we will become. If you know collectors who are interested, please forward the address and we will put them on our mailing list.

The IM 2024 opens the possibility for you to present your research work done in recent times or to investigate a challenging subject. There is still much to investigate after more than 300 years Slide Rules.

Details about the International Meeting:
 
Presentation topic:
 before 1 June 2024, to prepare the agenda
 
Final Paper and PowerPoint (or equivalent ):
 before 1 September 2024
 
Please send to:
 im2024@rekeninstrumenten.nl
 

During the previous Face-to-Face International Meetings, all presentations were published in Proceedings, which ensures accessibility of your work in the future. These IM Proceedings are now collector items by itself. To ensure that your work, presented during the virtual meeting, will be saved for future, your presentation - as text article - will be published in the Journal of the Oughtred Society, as alternative for the Proceedings. Details will follow.

To assure that the Proceedings can be published shortly after the Meeting, it is required that you sent the PowerPoint AND your paper before 1 September 2024.

Guidelines for ZOOM, PowerPoint and Paper:
 
ZOOM:
 We will send you a link before the Meeting. Indication for duration of presentation is about 30 minutes.
 
POWERPOINT or equivalent
 from your own PC directly on ZOOM. Backup is the unit you sent us by 1 Sept.
 
PAPER for publication in JOS:
 Send your text in “flat Word” or equivalent in one column. You may use bold and italics. The Editor will take care for page size and margins. Easy as it is.
 

How do we present our own collection:

Usually about 60 people will join the Zoom meeting. In the past the topic of “how do you store and display your collection” has discussed several times. Now we are communicating via Zoom it is easy that many of the participants show via a photo their way for presentation and storage at home. The intention is to reserve part of the time for these short shows and admire the efforts of everybody. These photos will not be published. Please inform us when you join this collective action before 1 September.

What was your first Slide Rule:

Another topic which we like to include is: Present your first sliderule. Probably we can find out if a certain type was in favor. Please inform us when you join this collective action before 1 September.

General:

Although all of you will receive the ZOOM link some days before the virtual meeting, we would appreciate it when you sent us an email around 1 September that you intend to join the meeting

Slide Charts are made fort many purposes. In the past some authors have presented about it, but there are still many interesting specials to study. We hope you can tell the International community about it.

Regards,

Chris Hakkaart, Andries de Man, Leo van der Lucht, Karl Klein (ZOOM support)

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Re: Pre-Anuncio IM2024 Virtual
« Respuesta #2 en: Junio 15, 2024, 15:51:44 pm »
Por si hay algún interesado:


Hello everyone,

This message is being sent as a final reminder that we will be holding our Oughtred Society Annual Meeting by Zoom on Saturday, June 15 from 10AM to 2PM PDT (meeting start time 10AM PDT, 1PM EDT, 6PM BST, 7PM CEST).

 

Topic: Oughtred Society 2024 Annual Meeting

Time: Jun 15, 2024 10:00 AM Pacific Time (US and Canada)

 

Join Zoom Meeting

https://us02web.zoom.us/j/82135616180?pwd=bHN5TU9WSU8wZlpzRUxMRjcrR2FOQT09

 

Meeting ID: 821 3561 6180

Passcode: 016734

 

Meeting Agenda:

Business Meeting

Call to Order
Membership Report   (Clark)
Treasurer’s Report   (Clark)
Urgent assistance-- request to sell slide rules from Conrad’s and Dick’s collections, we must get our storage expenditures back down to one storage facility
Request received in the past month from Ed Chamberlain’s estate to sell his remaining collection
OS Website Update  (Ace)
IRS Requiring re-justification of all Tax Exempt 501(c)(3) corporations  (Bob)
CA Attorney General Registry of Charitable Trusts, CA Dept of Tax and Fee Administration (CDTFA), IRS From 990’s update   (Bob)
Status of Spring 2024 Journal  (Jim)
Discuss any remaining issues due to Fall 2023 International Shipping Issues (extraordinarily high VAT tax for Canada and some EU countries)
Request for Assistance:  Need Bench Strength for all officer positions Journal Editor, President, Membership Secretary, Treasurer,
Currently at insufficient bandwidth to complete Membership Directory, Otnes Archive of Collections, sales of Conrad’s and Dick’s collections
Nomination and Election of Officers for 2024-2025
 

Presentations and Open Time for Discussion

Trevor Catlow will present what he has learned about the late Billy Kerr’s ’36-inch brass gun rule’, which he recently purchased.  He has learned how it is used.  Its unusual scale layout is referenced in an article that he found in the IM2018 Proceedings and he also would invite the attendees to add to our collective knowledge by sharing what they know about the rule, especially anything that has been shared from Billy directly about this piece from previous meetings or personal discussions.
 

Karl Kleine will present on the status of his joint project with Fed Stahl on William Cox, who most of us know from his K&E Cox slide rule patents.  He would also like to open the discussion to the OS community and request assistance in some specialized areas from those of us who have examples of Cox rules and publications.  He will be making a more formal presentation at IM2024 in the fall.
 

As we have done in previous ZOOM meetings, all attendees are invited to share a favorite, special, or unusual slide rule or calculating devices from their collection or from their research and tell us a bit about it.  This has been a very popular topic in past meetings and we have always been pressed for time…..in this meeting, we should have ample time for everyone to speak up about their favorite piece.
 

Thank you and we look forward to seeing you at the meeting!

Oughtred Society Board



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Re: Pre-Anuncio IM2024 Virtual
« Respuesta #3 en: Septiembre 07, 2024, 10:05:42 am »
Hola

El meeting 2024 de la O.S. se está acercando, como de costumbre nuestro compañero e-lento hará una presentación,
aquí os dejo el programa:


IM2024 as virtual ZOOM meeting
Date: 21 and 22 September 2024.
Time about: (18h) 6PM – (22h)10 PM CEST
4PM-8PM UTC
12AM - 4PM EDT
9AM - 1PM PDT
Presentations can be joined from all over the world.
Theme: Slide Rules and Slide Charts for Special Subjects

« Última modificación: Septiembre 07, 2024, 10:09:12 am por gma »

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Re: Pre-Anuncio IM2024 Virtual
« Respuesta #4 en: Septiembre 17, 2024, 21:42:37 pm »
Disculpad mi poca participación en el foro, pero aún me cuesta...  nv16

La charla que daré el sábado está basada en las deducciones que surgieron en una RIFARCA (no todo el mérito es mío, pero algo hay...) y será como recuerdo para
Jorge, su dueño original y el que nos la presentó.  ()

AVISO: Recuerdan los de la organización (la asociación de los países bajos) que HAY QUE REGISTRARSE para recibir el link de Zoom de la reunión. Basta enviar un e-mail con nombre y deseo de asistir a im2024@rekeninstrumenten.nl

Aun-afectados saludos,  ()
« Última modificación: Septiembre 18, 2024, 10:26:47 am por e-lento »

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Re: Pre-Anuncio IM2024 Virtual
« Respuesta #5 en: Septiembre 22, 2024, 19:11:30 pm »
No estando en casa durante todo el fin de semana no he podido asistir virtualmente al IM2024...

¿Alguien ha podido grabar la presentación de e-lento?

Qué lástima_saludos
Gonzalo