Wet-Plate Photography Step 2: Dip in Silver Nitrate Now it's time to move into the darkroom (or, if you're in the field, the dark tent). While the plate is still wet, dip it into a solution that contains silver nitrate. The silver nitrate binds with the iodide and bromide to make a silver halide coating, which is sensitive to light. Wipe the silver nitrate solution off the back of the plate with a clean cloth. Step 1: Coat with Collodion Step 2: Dip in Silver Nitrate next step >> Step 3: Plate to Camera Step 4: Expose Step 5: Pour on Developer Step 6: Fix the Plate Step 7: Wash and Varnish Step 8: Make a Print QTVR Tour | Kodak Music | Wet-Plate Photography | Color Process | Final Shot | Entrepreneur The Film & More | Special Features | Timeline | Gallery | People & Events | Teacher's Guide The American Experience | Kids | Feedback | Search | Shop | Subscribe ©  New content 1999-2000 PBS Online / WGBH