Part 15

Lever-beam, 94.

Metal plate, 7.

Marine torpedo, 10.

Nut, (substitute for), 17.

Oil, 6.

Owl, 30.

Oven, 94.

Organ-pipes, 105.

Pores, 9.

Priest, 26, 83.

Priestess, 26.

Pulley and rope, 32.

Piston, turned, (metallic), 44.

Piston-rods, 44.

Pan, 47.

Pinion, (toothed), 52.

Poised cup, 66.

Quicksilver, 58.

Rod, 32.

Rack, (toothed), 52.

Racks, 109.

Sand, 2.

Sponge, 3.

Smoke, 5.

Steam, 5, 68, 69, 72, 100.

Sulphur, 5.

Sun, 5.

Sun’s rays, 9.