Berkaitan Mesin Mesin pencuci pinggan Mesin taip Mesin kira Mesin daftar tunai Mesin basuh Mesin juruwang automatik Mesin jahit Mesin layan diri Mesingan Lewis
Rujukan WikiPedia: Mesin kira http://www.computercollector.com/archive/hhmechcal... http://ep.espacenet.com http://www.mechanicalculator.com/ http://www.oldcalculatormuseum.com http://www.spingal.plus.com/micro http://www.rk86.com/frolov/calcolle.htm http://sharp-world.com/corporate/info/his/h_compan... http://www.ti.com/corp/docs/company/history/calc.s... http://www.vintagecalculators.com/html/busicom_le-... http://www.vintagecalculators.com/index.html
