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b) The World Columbia Exposition of 1893
c) The Barcelona Universal Exposition of 1888
d) The Panama-Pacific International Expo of 1915
a) Boston, 1789
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c) New York, 1807
d) Richmond, 1811
a) A communal bath
b) A communal toilet
c) A specialized chamber for regurgitating after excessive food and/or wine consumption
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b) 1622
c) 1773
d) 1802
a) The flush toilet
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c) The flushometer
d) The air admittance valve