Artillery drawings

Some sketch book pages showing drawings that show a return to my favourite subject of WW1 artillery and vehicles.
These will hopefully one day, become larger more textural pieces showing the influence of artists such as Thornton Dial, Anselm Kiefer, Donald Sultan and Georges Seurat. These are all done (almost all) with various types of fine line pens. Sometimes the more worn out they are the better. One or two have been done with Isograph but it digs up the soft paper a bit