These spoons were designed in the 1870s for men with mustaches who often had to deal with discomfort as the hair on their upper lip would get wet and small pieces of food would often get stuck in it. Additionally, they used wax to style their mustache and it would melt into their food as well. To avoid that unpleasant situation, designers put a protective panel on an ordinary spoon to prevent the mustache from touching the food.
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???