What is new?

17-JUN-2010	The collection page has been updated and does now show most of the machines which are currently part of the collection of the analog computer museum.
07-JUN-2010	The Frankfurter Rundschau (a large German newspaper) featured an article about the analog museum (and about me :-) ) which can be found here: Article
15-MAY-2010	The mystery about the background of the General Dynamics Modules has been solved! :-)
29-MAR-2010	During the last couple of days I built the small analog computer designed by Dr. Vogel and documented my progress with quite some pictures and some remarks concerning necessary changes which were necessary since I could not get hold of some special parts. The description of this project may be found here.
01-MAR-2010	Andrew Fitch developed a small electronic analog computer which is described on his web page which is now linked to from the Analogmuseum.
11-FEB-2010	Since my conversion of Dr. Vogel's original Word documents describing his truly wonderful homebrew analog computer to PDF was erroneous and deleted the first page of the schematics, the two page schematics of his computer can be found here for download.
11-FEB-2010	The peoples page now contains a link to Mark Titchener and his outstanding PERTECS which brings true analog computer feeling to a modern UNIX system.
05-JAN-2010	In 1977 Dr. Vogel completed his dissertation about a genuine new resolver design without complicated diode networks. This is a very interesting approach and his thesis contains detailed schematics of his new resolver design. The thesis can be found here (about 17 MB!).
03-JAN-2010	A couple of days ago I setup a simple circuit to display or plot the well known Lorenz attractor using a Telefunken RA 770 analog computer.
27-DEC-2009	EAI 3440 DATAPLOTTER - a publication describing the 3440 DATAPLOTTER (about 1.6 MB). EAI HYDAC - a truly wonderful six page publication describing the then new EAI HYDAC 2000 system with wonderful pictures of the system (about 1.3 MB). In addition to this there is a letter from EAI to its customers introducing the HYDAC system (in German, 162 kB). EAI MICROSTORE Model 2.395 - a product information release introducing the PACE MICROSTORE, a high-speed tracking, storage and switching device for the EAI 231R series of analog computers (about 1 MB). EAI Products and Services - a short publication covering the main products and services offerend by EAI (about 2.1 MB). EAI standard data processing instruments - a six page publication featuring IO devices and the like (about 1.2 MB). EAI SPECIFICATIONS FOR TRANSISTORIZED GENERAL-PURPOSE ANALOG COMPUTER - a requirement document for a transistorized GPAC (about 2 MB). EAI TR 20/TR-48 desktop analog computers - a six page publication introducing these two computers (about 6 MB). EAI REPORT 015 (about 30 MB!). EAI REPORT 016 (about 7.1 MB). EAI REPORT 017 (about 5.3 MB).
22/23-DEC-2009	Dr. F. Vogel wrote a wonderful introduction to analog computing (in German) as well as a detailed description of his homebrew analog computer (in German). I am grateful for his work and his offer to make his writings available here. New section with personal information. Abandoned the frame based navigation scheme. The introductory section has been extended. Design of an Analog Computer - a wonderful paper describing the design process of the Systron Donner 10/20 systems by John A. Alic (8 MB). Handbook of Analog Computation - a great introduction to the art of analog computing which was published in 1967 by Systron Donner (24 MB). Operational Manual for the Heath Educational Analog Computer Model EC-1 (1 MB). Schematic for the Heath EC-1 analog computer. endim 2000 patch panel. The page describing the Telefunken RA 770 is now available in German, too.
12-JUL-2009	On July 9th, 2009, I had my final examination for my Ph.D. (the so called "Disputation") - the slides for my introductory talk can be found here (about 36 MB).
10-MAR-2009	On 27-MAY-2009, I will deliver a talk entitled "Think Different - Think Analog" at the Kolloquium des Lehrstuhls Medientheorien on the HU-Berlin. The slides for this talk can be downloaded from here (ca. 700 kB).
10-MAR-2009	The page describing the simple ball simulator has been extended and includes the mathematical background now as well as the complete schematics of the circuit: Ball simulator. Dr. Ing. K. Nixdorff und Ing. H. Altmann, Zur numerischen Lösung von Randwertaufgaben des eingeschränkten Dreikörperproblems (ca. 1.4 MB). Armin Czinczel, Peter Maier, Echtzeitsimulation eines Reglers für blockierungsfreies Bremsen auf dem Hybriden Präzisionsanalogrechner RA 770 (ca. 16 MB!). Kurt Nixdorff, Helmut Altmann, Zur numerischen Lösung von Randwertaufgaben des eingeschränkten Dreikörperproblems, Luftfahrttechnik Raumfahrttechnik 14 (1968) 9, Seite 220-221 (ca. 500 kB).
26-APR-2009	This weekend I built a rather simple simulator for a bouncing ball to be used for museum exhibitions and the like. Find more about this here.
06-MAR-2009	Thanks to Dave Burraston, the library has been extended by a couple of interesting publications regarding Comdyna analog computers: 7000 ANALOG/HYBRID COMPUTING SYSTEMS, ca. 3.5 MB GP-6 ANALOG COMPUTER, ca. 2.6 MB GP-6 ANALOG COMPUTER OPERATOR'S MANUAL, ca. 1.3 MB MODELS 701 AND 709 VARIABLE DIODE FUNCTION GENERATORS, ca. 0.3 MB PRICE SHEET, ca. 1.2 MB BANANA PLUG MODULES, Plug-in Networks for Comdyna and EAI Analog Computers, Pricelist, ca. 0.7 MB Two Reasons Why a Controls Laboratory Needs an Analog Computer, ca. 0.8 MB
01-FEB-2009	Beziehung zwischen Produktion, Lagerhaltung und Marktrealisation - dargestellt an einem Analogie-Rechenmodell für den Analogrechner MEDA-T, (German, ca. 8 MB) - this is a scan of a booklet published in the former GDR in 1975. I have tried to find out anything about its current copyright status but did not succeed, so if you know more about this or have any objections, please let me know. I put it here to help save this simulation know how from getting forgotten.
23-DEC-2008	All examples pages of the german section are now available in German.
22-DEC-2008	The german pages now contain everything that may be found in the english sections. Six out of eight example pages are already translated, although the collection descriptions are sill in english only.
21-DEC-2008	The german pages have been extended by the Selbstbau section. Elektronischer Langzeitrechner endim 2000 - Programmier- und Bedienungsanleitung, (german, about 14 MB)
20-DEC-2008	Introduction to Electronic Analogue Computing by Lawrence T. Bryan, Louis C. Just and Gerard S. Pawlicki (English, ca. 0.5 MB) EAI-1000 Micro Processor Controlled ANALOG HYBRID COMPUTER SYSTEMS (about 23 MB) Stored Program Concept for Analog Computers - this was prepared for the George C. Marshall Space Flight Center, NASA in 1968 when they requested a study to be performed by EAI whether some form of automatic programming was possible for analog computers. Hybrid Computer System Request for Proposal (January 1966) - this document contains the complete RFQ made by Lockheed when they were about to setup a new simulation facility. English, about 8.6 MB. A Discussion of Proposals by Vendors for the Hybrid Simulation Equipment which is to be installed in Bldg. 181 for the C-3 Project - English, about 3 MB. Hybrid Computing At Lockheed - a truly wonderful brochure showing the incredibly large hybrid computing facility in use a Lockheed in the late 1960s. This system is the result of the request for proposal shown above and consisted of four Comcor Ci5000 analog computers coupled to a Control Data 6400 system. The PDF file is about 2.5 MB large. Transistorisierter Differentialanalysator MEDA 42 TA Typ OZ 810 0042, Technische Beschreibung und Bedienungsanleitung (german, ca. 16 MB). MEDA - Einstellgerät für polarisierte Relais ON 280 34 (german, ca. 1 MB).
13-DEC-2008	Thanks to my wife Rikka you can now download a 34 MB PDF-file describing a school analog computer made by the German manufacturer LEYBOLD-HERAEUS. This booklet also describes 150 programs and can be found here.
20-NOV-2008	Not too long ago I delivered a talk about the development of the so called Mischgerät and the world's first electronic analog computer. These devices were conceived and implemented by Helmut Hoelzer while he was working in Peenemünde. The slides for this talk (about 1 MB) can be found here.
04-OCT-2008	Thanks to Tom Harris the library now contains the TR-20 Computer Operator's Reference Manual (about 10 MB).
20-JUL-2008	On July 19th, my friend Dr. Matthias Koch came with a mathematical question to my birthday party. We solved the problem first analytical and on the following day I did a small analog simulation to confirm our findings. Read more here.
07-FEB-2008	Not too long ago I gave a little talk at the University of Hamburg with the title "Faszination Analogrechnen". The slides for this talk are available for download here (ca. 1.6 MB).
26-JAN-2008	This page was created on January 26th, 2008. In the future it will be the central hub for all of my analog computer activities which prior to this resided on http://www.vaxman.de/analog_computing/analog_computing.html.

07-JUN-2010, ulmann@analogmuseum.org