I was the most powerful weapon, before gunpowder was introduced. Nowadays I propel certain airplanes, and also as a toy I am used.

My first three brighten your day. My second four are how you make a call. Together we are ancient and tell the time.

Last four, something used as evidence. First three, the category for sculpture or painting. Middle one, first person singular.

I’m medieval engineering’s way of saying, Let’s discuss this from a distance.

I am a vault with no gold, a time machine that never moves. Kings stand frozen mid-command, whales hang mid-swim, and wars whisper from behind glass. Footsteps hush when you enter me, as if the past is trying to sleep. What am I?