Historical information
Report describing the "Jerie" Vertical Block Adjustment for the Townsville 1:250,000 and how the apparatus was designed, constructed and used.
Physical description
Foolscap size, 14 x numbered pages and 10 x unnumbered pages. Stapled left side. Numbered pages printed in purple. Four of the unnumbered pages contain photos while the rest contain handwritten tables and hand drawn diagrams. Annex A: Discrepancies Tables, Annex B: Baseboard Diagram, Annex C to Annex G, Annex H: Photo showing tools which are numbered and listed below each photo. The numbers on each photo are faint but readable.