We have to tell the person that porcelain was not invented until 1711.
Since writing was invented, until the end of Earth, it's been estimated that ten thousand million books were produced.
"And you can't because it won't be invented until the Industrial Revolution."
The violin, of course, was not invented until fourteen centuries after the fire.
Most of the mathematical notation in use today was not invented until the 16th century.
Other evidence suggests that the Advent wreath was not invented until the 19th century.
The lyre is the only musical instrument that may have been invented in Europe until this period.
Clarinets were not invented until the late 18th century, but even they have developed a lot since Mozart's time (1756-1791).
An example of this is Insulated glazing, which was not invented again until the 1930s.
No footage from the show remains, since methods to record live television such as kinescopes were not invented until 1947.