asbestos, Note: The vaccine for smallpox was introduced in 1800.
Things that had not yet been invented in 1800
Matches
Telegraphs
steam shovels
photography
Pasteurization. . .
asbestos, Note: The vaccine for smallpox was introduced in 1800.
Things that had not yet been invented in 1800
Matches
Telegraphs
steam shovels
photography
Pasteurization. . .