Paper:
Clearprint Heavy Vellum (mark the backside)
Iodizer:
Pre Silver 3.8% – Rod Coat (single)
K Iodide 5.5% – 3 minute bath (can be reused)
1 hour wash
Sensitizer:
(adhere paper to plate)
1 dropper (~0.5ml) 3.8% Silver Nitrate
2 droppers (1ml) vinegar
Rod Coat – leave until matte dry
Rinse with D. H20 twice
air dry
(bloating produce contamination effects in development)
Exposure
1 & 1/2 minute @ f/~11 (dim sun)
Development
~100ml Saturated Gallic Acid
1 dropper (~0.5ml) 3.8% Silver Nitrate
30 minutes bath
(vinegar can be added to slow development)
Fixer
10% Sodium Thiosulfate
dash of borax (optional)
20 minutes submerge
Wash
3 minute wash
1% sodium sulfite 5 minute bath
10 minute wash