Combining instruments
Doing some things the old-fashioned way is getting difficult.
Our astronomer spent a few years in England, where he learned something of the arcane art of ringing church bells. In the belfries of that country are wonderful examples of essentially Medieval technology that also demonstrate advanced mathematical and physical ideas.
Much about automobiles has changed greatly over the past decade or two. Part of it comes from different ideas of what the driver should be doing.
In the Five Colors Science & Technology library of photography are a number of old books that we still find interesting. Apart from details of procedures and chemistry that are hard to find elsewhere, they show the different ideas, through the years, of just what was a good photograph.