Note 81 — Chapter X
Reading edition
At 4 o’clock, to 29·5°, the average dew-point was 16·3°, and dryness 0·55; weight of vapour in a cubic foot, 1·33 grains.
Reading edition
At 4 o’clock, to 29·5°, the average dew-point was 16·3°, and dryness 0·55; weight of vapour in a cubic foot, 1·33 grains.