ClipArt ETC
"In street architecture a covered way or passage, either open at the side with a range of pillars, or completely covered over. The finest arcades of this description are to be found in Paris." — Encyclopedia Britanica, 1893

Arcade

"In street architecture a covered way or passage, either open at the side with a range of pillars, or…

Steps consisting of two parallel members connected by rungs; for climbing up or down

Expanding Ladder

Steps consisting of two parallel members connected by rungs; for climbing up or down

"A long ribbon of white paper is attached on a spool, and connected to a receiver that is wired to a switch. When the switch is closed, a signal is sent to the receiver, and it marks either a dot or dash on the paper." -Avery 1895

One Way Telegraph

"A long ribbon of white paper is attached on a spool, and connected to a receiver that is wired to a…