CALCULATORS

History
&
Simulation
Mathematische Maschinen, Museum PH-Ludwigsburg

http://www.bluemich.net/rechner/
http://members.cruzio.com/~vagabond/ComptHome.html
http://www.curta.de
http://mortati.com/glusker
http://www.w-hasselo.nl/mechn/index.php
http://history-computer.com/index.html
http://www.hpmuseum.org
http://www.rechenautomat.de
http://www.rechenhilfsmittel.de/index.htm
http://www.rechenmaschinen-illustrated.com
http://www.rechnerlexikon.de
http://www.johnwolff.id.au/calculators/Egli/Egli.htm
http://www.xnumber.com/xnumber/mechanical1.htm

http://www.mechrech.info/workmod/workmod.htm
NCR http://www.brassregisters.com/ncr/NCRPage.htm
ADDIATORS
&  Simulation
http://www.addiator.de
SLIDE RULES

Manuals
&
Simulation
http://www.rechenschieber.org
http://www.sliderulemuseum.com
http://www.sphere.bc.ca/test/sruniverse.html

http://sliderule.ozmanor.com/man/man-download.html
http://www.rechenwerkzeug.de/download.htm
http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html
http://www.sliderules.info/index.htm
PORTABLE
TYPEWRITERS
http://willdavis.org/
http://www.portabletypewriters.co.uk
http://site.xavier.edu/polt/typewriters/
TELEPHONES http://www.PHONECOinc.com
impressum http://public.beuth-hochschule.de/~hamann                                         ( 02 / 23 / 2015 )