| 11. | Gelatine dissolves in hot water but boiling water is necessary to dissolve gulaman.
|
| 12. | Unlike gelatine which sets at refrigerator temperature, gulaman sets at room temperature.
|
| 13. | Gelignite was introduced in the 1890s, replacing both blasting gelatine and gunpowder.
|
| 14. | The process uses a film of gelatine spread on a flat and rigid surface.
|
| 15. | During this time the sunlight and potassium dichromate tan the gelatine exposed to light.
|
| 16. | The plate is developed by washing in warm water and removing the untanned gelatine.
|
| 17. | The fabric was first stretched on a tenter frame and sized with animal gelatine.
|
| 18. | Warsop and Hill used their own rock drills and the more powerful blasting gelatine.
|
| 19. | Thomas warns that strength of the punch is " artfully concealed " by the gelatine.
|
| 20. | Prior to rubber moulds gelatine was used.
|
