1. One contact print and two enlargements of each.

2. A contact print is model led by placing the negative in contact with the photographic paper.

3. A contact print is in the size of a book, but it can be used to enlarge pictures or to have the picture printed on it directly.

4. The use of a good contact print is superior to that of an anaglyphic projection.

5. Contact Print (pict on the right) of FFA shows the whole roll of FFA from early phase to late phase.

6. One held a piece of film firmly against the end of the oscillograph and got a bleary contact print of a trace too faint to photograph without repetitive stimulation.