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Gevaert B&W Reversal Processing
| First Developer | ||
| Metol | 2 g | |
| Sodium Sulphite (anh) | 50 g | |
| Hydroquinone | 8 g | |
| Sodium Carbonate (anh) | 60 g | |
| Potassium Bromide | 5 g | |
| Potassium Thiocyanate | 5 g | |
| Water to | 1 litre | |
| Bleach Bath | ||
| Water |
750ml | |
| Potassium Dichromate | 5 g | |
| Sulphuric acid (conc) - see note | 10 ml | ADD THE SULPHURIC ACID DROP BY DROP TO THE 750ml WITH CARE. |
| Water to | 1 litre | |
| Clearing Bath | ||
Sodium Sulphite (anhyd) |
20 g | |
| Sodium Hydroxide | 0.8 g | |
| Water to | 1 litre | |
| Second Development | ||
| Metol | 2 g | |
| Sodium Sulphite (anhyd) | 60 g | |
| Hydroquinone | 4 g | |
| Sodium Carbonate (anhyd | 40 g | |
| Potassium Bromide | 1 g | |
| Water to | 1 litre | |
| First Developer | 20°C (68°F) 8-10 mins fast films, 6-9 mins for slower fine grain films | |
| Wash | 5 mins | |
| Reversal Bath | 5 - 7 minutes | |
| Wash | 1 - 2 minutes | |
| Clearing Bath | 2 -3 minutes | |
| Re-exposure | Expose to 100 watt bulb for 5-10 minutes at 5ft/1.5 metres |
|
| Second Development | Stop development when desired density is reached | |
| Wash | Rinse | |
| Fixer | Fix in normal acid fixing bath. | |
| Wash | 30 mins | |
| British Journal Photographic Almanac 1947 |