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Updated: May 8, 2025
Compasses, T-squares, rulers, protractors, and ellipsographs obeyed the touch of his fingers as if inspired with life.
Field- glass, or low-power telescope. Prismatic compass with card partly black, to see at night. Large and small celluloid protractors for plotting angles on plans. Plotting-scale, tenths of inches and millimetres. Maps of the district, the best available.
Maximum and minimum thermometers were taken along to keep a record of the daily temperature, and I also took with me a box of drawing and painting materials, as well as all kinds of instruments for map-making, such as protractors, parallel rules, tape rules, section paper, note-books, etc. I had water-tight half-chronometer watches keeping Greenwich mean time, and three other watches.
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