This custom-designed steel doorknob was milled by machinists in Lewiston, Maine.  Photo 8 of 8 in The Principles of Midcentury Design Endure at This Modernist Home in Maine

The Principles of Midcentury Design Endure at This Modernist Home in Maine

8 of 8

Isaacson designed the steel door handle and had it milled by local machinists in Lewiston.