www.gbreda.it/mechcalc
Slide Rules
Images from my Collection
Giovanni Breda
Slide Rule & Mechanical Calculators
Collector's db
Collector
Title
Country
Andreas Tabak
The Collection of Calculating Devices (TCOCD)
Germany
Andrew Davie
Museum of Soviet Calculators on the Web
Atsushi Tomozawa
Atom's Page
Japan
Bruno Ferrighi
Dall'Abaco al Computer
Italy
Cal Clifford
Slide Rules
USA
Chris Osburn
Slide Rule Collection
USA
Chris J. Sangwin
Slide rules and other mathematical instruments
United Kingdom
Chris Gillings
Slide Rules and Calculators
Australia
Christian M. Hamann
The On-line museum
Germany
Christophe Mery
Exposition Machines a Calculer
France
Daniel Sancho
teclas.org
Spain
Darren Samphier
Darren's Sliderule
Dave
Dave's House of Slide Rules
Dave Van Domelen
Dave's Online Nest
USA
David May
Classic Collectors World
United Kingdom
David Davis
Slide Rules @ David Bros. Navigation Page
David M. Riches
Mathematical Instruments - A private collection
David Crate
David Crate's Quality Slide Rules
USA
Detlef Zerfowski
Mechanische Rechenhilfsmittel, Tomographie und eingebettete Systeme
Germany
Detlev Bölter
Aus der Rechenmaschinen-Werkstatt
Germany
Dick Lyon
Otis King's Patent Calculator
USA
Dick Rose
Vintage Instruments
USA
Dries Molen
Netherlands
Erez Kaplan
Calculating Machines
Israel
Eric B. Hall
MathGeek
Eric Marcotte
Eric Marcotte's Personal Home Page
Canada
Ezio Raddi
La collezione di Ezio Raddi
Italy
Felipe Marmy
Computissimo - Muse de la informatica
Switzerland
Fred
Fred's mechanical calculators . Highlights and list
Belgium
Friedrich Diestelkamp
Welcome in the big world of small calculators
Germany
Giovanni Pastore
I Regoli Calcolatori
Italy
Giuseppe Caltagirone
Le mie calcolatrici my adding and calculating machines
Italy
Gonzalo Martin
Photo Calcul
France
Greg Scott
Greg's Slide Rules
Australia
Guillermo Castar
Sito web de Guillermo Castar
Argentina
Hans Bloemen
www.calculatormuseum.nl
Holland
Harry Teicher
Harry Teicher's Home Page
Denmark
I. Pairin
Slide Rules in Thailand
Jörn Lütjens
Jörn's Online Museum
Germany
J. F. Zazza
JFZazza reglas de calculo web
Jaime Hernan Redin
X Number World of calculators
USA
Jan Meyer
Geschichte der Rechenhilfsmittel (Von Jan Meyer)
Germany
Jason Waskiewicz
The Slide Rule
USA
Jay M. Goldman
Office Collectibles - Private collection of Jay M. Goldman
Canada
Jim Askew
Slide Rule Operations
USA
Joe Pasquale
Joseph Pasquale Home Page
USA
John Wolff
John Wolff's Web Museum
Australia
John Current
John Current's Home Page
John J.G. Savard
John Savard's Home Page
Canada
Kees Nagtegaal
MechaniCalculator.com
Netherlands
Kent Walker
Kent Walker's Home Page
USA
Kevin J. Odhner
Odhner Calculator Memorial Site
Kim
Hemmi-roid
Japan
Luis Fernandes
Abacus - The art of Calculating with Beads
Canada
Martin Cohen
Topics in High School Mathematics
USA
Michael Gährken
Michael Gährken(')s Homepage
Germany
Michel Bardel
Michel Bardel
France
Nathan Zeldes
Possibly interesting
Israel
Nico Baaijens
Calculating Machines - My collection
Netherlands
Nigel Bromley
About Slide Rules
United Kingdom
Nigel Tout
Nigel Tout Home Page
Paolo Daniele Scarpazza
The Scarpaz Site
Italy
Paul Ross
The Slide Rule Trading Co.
Paulo Boselli
Museu da Calculadora
Brazil
Peter Holland
Slide Rules / Rechenschieber
Germany
Peter Owen
Peter Owen - Collector of Slide Rules
United Kingdom
Rainer Stumpe
Rainer Stumpe
Germany
Reinhard Atzbach
Mein Rechner tut's auch ohne Strom...
Germany
Reto Ambrosini
Strumenti di calcolo
Italy
Richard Carter
Slide Rule Collection
USA
Rod Lovett
Rod Lovett's Slide Rules
Ron Manley
Ron Manley's Slide Rules site
United Kingdom
Sergei Frolov
Russian Slide Rule
Russia
Stephan Georgi
A collectors family
Germany
Stephan Weiss
Contributions to the History of Mechanical Calculation
Germany
Ted Hume
Slide Rule Shop
USA
Todd Tolhurst
Todd Tolhurst
USA
Tom Bullock
Tom Bullock
Tom Dilatush
Tom Dilatush's Collection of Mechanical Computing Devices
USA
Tullio Parravicini
Calcolatrici e Strumenti di Calcolo Meccanico
Italy
Ugo Mainieri
La raccolta di strumenti di calcolo
Italy
W. E. Jones
My Slide Rule Collection
Walter Szrek
Calculators' Page
USA
Walter Shawlee
The Slide Rule Universe
Canada
Wolf G. Blümich
Mechanische Rechenhilfsmittel
Germany
Zvi Doron
The UltraLog Slide Rule
Interesting sites about
Slide Rules and Mechanical Calculators
Title
Country
Évolution des machines à calculer
Canada
A Brief History of Computing - Complete Timeline
United Kingdom
Addiator
Germany
Allard's Computer Museum Groningen
Netherlands
Antiques of a Mechanical Nature
Arithmometre.org
France
Associazione Italiana Collezionisti Macchine per scrivere, Calcolo e da ufficio in genere
Italy
Auction Team Breaker
Comptometer
Concise
Japan
Curta Startseite
D'Antiques
Derek's Virtual Slide Rule Gallery
Die große Enzyklopädie des mechanischen Rechnens
Germany
Early Office Museum
Fine Drafting Room Antiques
Gilai Collectibles - Scientific Instruments
Homo Calculus
France
IBM Archives: Valuable resources on IBM's history
Indian Creek Antiques & Collectables - Slide Rules & Slide Rule Books
Internationales Forum Historische Bürotechniken e. V.
Germany
ISER - Informatik Sammlung Erlangen
Germany
JavaSlide
Joel J. Goodman Antiques
K&E Catalogs Main Page
Kung's OnLine Slide Rule BookMark
Martindale's The Reference Desk
Mathematics HQ
Meccano Computing Machinery web site
Mechanical Aids to Computation and the Development of Algorithms
United Kingdom
Mechanical calculation
Moonstick Information Site
MrKlingon.org
Museo Virtuale del Computer
Italy
Museum of Pocket Calculating Devices
Germany
Muzeum Maszyn Biurowych
Poland
Nederlandse Kring van Verzamelaars van Rekenlinialen
Netherlands
Nigel Bromley
United Kingdom
Office Machines Americana
USA
Original Documents on the History of Calculators
Pascaline
France
Purveyors of American Patented & Mechanical Antiques
Rechenfreund
Germany
Rechenmaschinen - Illustrated
Rechenschieber
Germany
Rechenschieber-Brief - Seite der deutschsprachigen Rechenschieber-Sammler
Germany
RetroCalculators.com
Scientific Computing World
Slide Rule - A simple explanation of a clever calculator
United Kingdom
Slide Rule - The history, theory and use of the engineering slide rule
Slide Rule Museum
Slide-rules.com
Steve Burton's Homepage
Swedish Typewriter Page
Sweden
System / Source - Computer Museum
USA
Tehnolemn Timisoara Slide Rule Archive (Romanian Riglas de Calcul)
The Chestnut Ridge Typewriter Museum
USA
The CURTA Calculator Page
The Gemmary
The hold calculator web museum
The International Slide Rule Group
The Macleay Museum
Australia
The Museum of HP Calculators - Slide Rules
The Oughtred Society
The Slide Rule Guy
The Slide Rule Shop
United Kingdom
Treasures of the Science Museum - Mathematics and computing
United Kingdom
United Kingdom Slide Rule Circle
United Kingdom
Vintage calculators web museum
Würzburger Sammlung historischer Rechenmaschinen
Germany
What Can You Do With A Slide Rule?
USA
Wikipedia - Slide Rule