![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiejkaUAimn6e1S9t8zx5XKBwT7GVMy5frfAbAqDSvidpa9vrOMsJ56xPXAbf8UVwGXWnGHI4d6b4axCKg1B2on0wdz7x1QN5S__VJevGkC19ORPCUOn1Cg8s8Hjh3Y5Hzqr3RNDPbrcws4/s1600/KeystoneBuilding.jpg)
Located on the banks of the Neponset River in Dorchester, the Keystone Building (~1910) was a piano factory and then a camera company. During WWII an aunt was employed in the building assembling munitions for the war effort. Today the building has been repurposed as an apartment building.