Printed Book
How things Work
Arround and arround, wheels called geras resolve as their edges mesh. One gear turns another.. and another.. and another. These gears keep a printing press rolling-other gear systems provide poweer for a variety machines, including ten speed bicycles(pages 6-11) and wind-up alarm clocks (pages 12-13)
4271c1 | 531.6 NAT h C.01 | Perpustakaan Labschool Jakarta (Rak Ref 4) | Tersedia namun tidak untuk dipinjamkan - Tidak dipinjamkan |
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