The Australian War Memorial Collection. Test site
'6. Another view of the nitrating house showing the dippers in the distance. These men are actually immersing the gunpaper in the acid'. Collection relating to Robert Craig who lead the design and construction of the No. 4 Explosive Factory, Ballarat.
'5. General view of the nitrating house, showing the pans of acid in which the rolls of scrolled paper are immersed'. Collection relating to Robert Craig who lead the design and construction of the N
41. 'Another view of loading a rail truck with acid'. Collection relating to Robert Craig who lead the design and construction of the No. 4 Explosive Factory, Ballarat.
30. 'Nitric Acid Retort House. View along the top of the absorption towers.' Collection relating to Robert Craig who lead the design and construction of the No. 4 Explosive Factory, Ballarat.
'7. Dippers at work. Scrolls of paer are being pressed under the acid with hood in position to draw off the fume'. Collection relating to Robert Craig who lead the design and construction of the No.
31. 'Nitric Acid Retort House. A second view along the top of the towers.' Collection relating to Robert Craig who lead the design and construction of the No. 4 Explosive Factory, Ballarat.
'3. Finished Scrolls of paper ready for immersion in the acid where they are converted to gunpaper'. Collection relating to Robert Craig who lead the design and construction of the No. 4 Explosive Fa