Lumber Street is now Livingston Avenue, replaced by the railroad line that crosses the river at the Livingston Avenue Bridge.
Letter cutters are kinda gone, too. I’m not even sure if there are any specialty rubber stamp houses left. Need a brass stamp or a wax seal? Good luck.
Packing boxes! Yes, it is still possible to buy packing boxes. They’re not made here anymore, but you can still buy them. But can you get hold of Valentine’s felt weather strips? How about shooks? Didn’t think so. And does the owner of Staples offer you his home phone number, just in case you have a cardboard box emergency? Again, didn’t think so.