Ilustration No. 2. Plate - Cramer Crown. Lens - Dallmeyer Rapid Rectilinear, 16-inch focal-length. Stop - U. S. 32. Time of day - 11 a. m. Exposure - 1/2 second. Developer - hydroquinon. (See Page 41.)

Illustration No. 3. Plate - Standard Orthochromatic. Lens - Single combination of Bausch & Lomb-Zeiss 7-A, focal-length 24 inches. Stop - U. S. 64. Time of day - 4 p. m., sun shining brightly. Exposure - one second. 'Developer - pyro. This illustration was from an 11 x 14 print. (See Page 42.)

Illustration No. 4. Plate - Standard Orthochromatic. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 64. Time of day - 12 m., sun shining brightly. Exposure - one second. Developer - pyro. (See Page 45.)

Illustration No. 5. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss 7-A, focal-length 14 inches. Stop - U. S. 16. Time of day - 5 p. m., bright sunshine. Exposure - 1-5 second. Developer - pyro. (See Page 46.)

Illustration No. 6. Plate - Standard Orthochromatic. Lens - Single combination of Bausch & Lomb-Zeiss 7-A, focal-length 14 inches. Stop - U. S. 32. Time of day - 11 A. M., sun shining brightly. Exposure - 1-5 second. Developer - pyro. (See Page 47.)

Illustration No. 7. Plate - Standard Orthochromatic. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Bausch & Lomb ray filter. Stop - U. S. 64. Time of day - 1:30 p. m., bright sunshine. Exposure - one second. Developer - pyro. (See Page 48.)

Illustration No. 8. Plate - Cramer Crown. Lens -

Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 64. Time of day - 11 a. m., bright sunshine. Exposure - one second. Developer - metol-hydroquinon. (See Page 51.)

Illustration No. 9. Plate - Cramer Crown. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 64. Time of day - 5 p. m., bright sunshine. Exposure - one second. Developer - pyro. (See Page 52.)

Illustration No. 10. Plate - Cramer Crown. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 32. Time of day - 3 p. m. Exposure - 1/2 second. Developer - pyro. (See Page 55.)

Illustration No. 11. Plate - Cramer Crown. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 64. Time of day - 11 a. m., bright sunshine. Exposure - one second. Developer - pyro. (See Page 56.)

Illustration No. 16. Plate - Standard Orthochromatic. Lens - Standard Wide-angle Anastigmat, focal-length 7 inches. Stop - U. S. 64. Time of day - 3 p. m., cloudy. Exposure - 20 minutes. Developer - pyro. (See Page 75.)

Illustration No. 17. Plate - Standard Orthochromatic. Lens - Standard Wide-angle Anastigmat, focal-length 7 inches. Stop - U. S. 64. Time of day - 10 a. m., cloudy. Exposure - 10 minutes. Developer - pyro. (See Page 76.)

Illustration No. 18. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 64. Time of day - 3 p. m. Exposure - 30 minutes. Developer - pyro. (See Page 77.)

Illustration No. 19. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 32. Time of day - 3 p. m. Exposure - 15 minutes. Developer - pyro. (See Page 78.)

Illustration No. 20. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 32. Time of day - 3:30 p. m., snow outdoors. Exposure - 20 minutes. Developer - pyro. (See Page 79.)

Illustration No. 21. Plate - Standard Orthochromatic.

Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 64. The day was dull. Exposure - 30 minutes. Developer - pyro. (See Page 80.)

Illustration No. 22. Plate - Standard Orthochromatic. Lens - Standard Wide-angle Anastigmat, focal-length 7 inches. Stop - U. S. 64. Day was cloudy. The illumination was from a transom above the hall door and from a side window. Exposure - 1 hour, 20 minutes. Developer - pyro. (See Page 83.)

Illustration No. 23. Plate - Hammer Non-halation. Lens - Dallmeyer Wide-angle Rapid Rectilinear, focal-length 8 inches. Stop - U. S. 64. Time of day - 2 p. m., cloudy. The light was from a transom over a door back of the camera. Exposure - 1 hour, 20 minutes. Developer - metol-hydroquinon. (See Page 84.)

Illustration No. 24. Plate - Hammer Non-halation. Lens - Dallmeyer Wide-angle Rapid Rectilinear, focal-length 8 inches. Stop - U. S. 64, bright outdoors. The illumination came from a large skylight, a portion of which is included in the view. Exposure - 30 seconds. Developer - metol-hydroquinon. (See Page 85.)

Illustration No. 25. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 64. Time of day - 9 a. m. Exposure - 10 minutes. Developer - pyro. (See Page 86.)

Illustration No. 26. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 64. Time of day - 10 a. m., cloudy. Exposure - 10 minutes. Developer - pyro. (See Page 87.)

Illustration No. 27. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss Wide-angle, focal-length 7 1/2 inches. Stop - U. S. 64. Time of day - 9:30 a. m., dull. Exposure - 10 minutes. Developer - pyro. (See Page 88.)

Illustration No. 28. Plate - Standard Orthochromatic. Lens - Bausch & Lomb-Zeiss, focal-length 14 inches. Stop - U. S. 64. Time of day - 2 p. m. Exposure - 10 seconds. Developer - pyro. (See Page 91.)

Illustration No. 29. Plate - Hammer Non-halation.

Lens - Dallmeyer Wide-angle Rapid Rectilinear, focal-length 8 inches. Stop - U. S. 64. Time of day - 2 p. m., bright. Exposure - 5 minutes. Developer - metol-hydro-quinon. (See Page 92.)

Illustration No. 30. Plate - Standard Orthochromatic. Lens - Dallmeyer Rapid Rectilinear, focal-length 16 inches. Stop - U. S. 64. Time of day - 11 a. m. Exposure - 30 minutes. Developer - pyro. (See Page 93.)