A colleague of mine in Biology needed lithium chloride for some diabolical experiment. I went to the stockroom and retrieved the working bottle, but behind it was this really old unmolested bottle. I gave the shot the old photo look out of respect for its seniority.
Alongside what was once an old Oregon highway - but has now morphed into a deserted and badly-needing-repair concrete-and-dirt path, there is an informal cemetery of ancient machines and their parts. These heavy treads are the only surviving parts of what must have once been a gargantuan tractor, or earth-moving machine---