Detailed Look at a Nathan Locomotive Water Gauge
Nathan Water Level Gauge, Steamtown National Historic Site (click image to enlarge) Nikon D810, 1/25 sec, f/9.0, 38mm, ISO 200...
Nathan Water Level Gauge, Steamtown National Historic Site (click image to enlarge) Nikon D810, 1/25 sec, f/9.0, 38mm, ISO 200...