Miscellaneous astronomical, physical and mathematical topics, including sections on the following:

1. Primary planets (23 remarks); comet tails (4 points); James Bradley's parallax: tides; centripetal forces (misbound); lunar apsides and inequalities; projectiles in a parabola (19 observations); centripetal forces (16 rules); cycloid (16 statements); capillary tubes, written in Latin; infinites (9 characteristics); propositions from Newton's 'Principia'; primary rainbows; velocity as space when time is given; and globes and cylinders (6 features).

2. The properties of matter; (Newton's) three laws of motion; the composition of forces; gravity; planets' revolutions; the rings of Saturn; winds; and properties of pulses of sound. On page 10 is a diagram of 'A fire engine that spouts continually'.

3. Roger Cotes' experiments in hydrostatics, 2 April 1754, with tables of specific gravities of various materials and sketches of the apparatus used.

4. Telescopical discoveries in the Sun and planets, 1656-1715, with sketches of the Sun and Saturn.

5. Explanation of the figures in James Drake's 'Anatomy'.