10. Photo- Film, Camera ✓ ✓✓ ✓ ✕✕ ✓✓ graphs prints, etc. 11. Letters, Paper, Typewriter ✓ ✓✓ ✓ ✕ ✓✓ etc. mimeograph and stencil, fingers etc. _Body_ 12. Gestures Space Body ✓ ✕ ✕✕ ✓✓ ✕✕ 13. Fingers Hands Body ✕ ✕ ✕✕ ✓✓ ✕✕ _Objects_ 14. Pebbles Slab Hands ✓✓ ✓ ✓ ✓ ✕✕ 15. Knots String Hands ✓✓ ✓ ✓ ✓ ✕✕ 16. Tallies, Stick Knife ✓✓ ✓ ✓✓ ✕✕ ✕✕ notches 17. Beads Rods in Hands ✓ ✓ ✓ ✓✓ ✕✕ a frame, abacus 18. Ruled Rulers, Hands, ✓ ✓ ✓ ✓ ✓ lines, scales, pressure, pointers dials etc. _Machines_ 19. Counter Desk Motor ✓ ✓ ✓ ✓✓ ✓ wheels, calculating and gears, machines, hands keys, fire-control lights, instruments, etc. etc. 20. Punched Punch card Motor ✓✓ ✓✓ ✓ ✕ ✓✓ cards machinery, and and teletype, input paper etc. instructions tape 21. Relays Dial Motor ✕ ✓ ✓ ✓✓ ✓✓ telephone, and other input machinery instructions 22. Elect- Machinery Motor ✓ ✓ ✓ ✓✓ ✓✓ ronic and tubes input instructions 23. Magnetic Machinery Motor ✓✓ ✓✓ ✓✓ ✓✓ ✓✓ surfaces: and wire, input tape, instructions discs 24. Delay Machinery Motor ✕ ✓ ✕ ✓✓ ✓✓ lines: and electric, input acoustic instructions 25. Electro- Machinery Motor ✕ ✓✓ ✕ ✓✓ ✓✓ static and storage input tubes instructions ✓✓ yes, very. ✓ yes, adequately. ✕ not generally. ✕✕ not at all. What are the types of physical equipment for handling information, and which are the good ones? In the table on pp. 16-17 is a rough list of 25 types of physical equipment for handling information. ✓✓ means “yes, very;” ✓ means “yes, adequately;” ✕ means “not generally;” ✕✕ means “not at all.”