This 4th-century cup can change its color depending on the angle of the lighting. This effect can be explained by the fact that the glass contains particles of gold and silver. There’s a theory that the person who made it wanted to illustrate the phases of the ripening of grapes with this effect.
I've sung all my life; I especially love 16-century choir music and plainsong (Gregorian) chant. But I had never seen anything like the knives in #19. Note the older music script, which is no longer in use, but which some people find easier to read.
#3 I believe that in the US, a majority of people had dryers by the 60s, and that by the 70s, very few people did not have them.
#14, "woolen socks", perhaps and I have toes on my feet, not sure about Romans though.
#15 Now why would they be reading multiple books at once???