Editing World's Columbian Exposition (section)

=== Inventions and manufacturing advances ===
[[File:PSM V44 D054 An electric kitchen.jpg|thumb|Electric kitchen]]

* A device that made plates for printing books in [[Braille]], unveiled by [[List of people from Jacksonville, Illinois#Authors and academics|Frank Haven Hall]], who met [[Helen Keller]] and her teacher [[Anne Sullivan]] at the exhibit.<ref name=devil />
* [[Moving walkway]], or travelator
* The [[third rail]] giving electric power to elevated trains led directly to its first continuing US use.<ref name="test">''The Chicago "L"'' by Greg Borzo</ref>
* The "clasp locker", a clumsy slide fastener and forerunner to the [[zipper]] was demonstrated by [[Whitcomb L. Judson]]
* [[Elongated coin]]s (the squashed penny)
* [[Ferris Wheel (1893)|Ferris Wheel]]
* First fully electrical kitchen including an automatic dishwasher<ref name=devil />
* Phosphorescent lamps (a precursor to [[fluorescent lamps]])<ref name=devil />
* [[John T. Shayne & Company]], the local Chicago furrier helped America gain respect on the world stage of manufacturing
* [[Clark cell]] as a standard for measuring [[volt]]age
* A first prototype of a [[Aerosol spray|pressurized aerosol spray]], by [[Francis Davis Millet]].
* The first practical [[Electric car|electric automobile]], invented by [[William Morrison (chemist)|William Morrison]].