A mahogany engineers' set created prior to 1900. It was used by Allison Osborn Burrows, a chartered engineer, post-1900. Mahogany instrument box with brass hinges, lock, and name plate. No key. Insert tray covered in blue velvet lining pressed into grooves to hold each instrument. Nickle silver instruments. Some items missing their bone handle. Base of box contains ruler, protractors. Lid has hidden compartment behind it, containing Japanese issued currency note from World War II.Owner's label pasted inside lid, reading "A.O. Burrows, Esq. A.M.I. E. Aust., Chartered Engineer (Australia), 9 Kendall Street, Pymble, N.S.W."mahogany engineers set, draftsmen's box, world war 2