How It's Made S8E4 — Deep-Cycle Batteries, Tins, Optical Lenses
7.4
How It's Made•Season 8•Episode 4

Deep-Cycle Batteries, Tins, Optical Lenses

7.4/10 · 26 votesJan 23, 200721 min

Ranked #10 of 13 in Season 8•−0.1 vs season avg

Discussion

Lead plates and electrolyte are assembled into rechargeable deep-cycle batteries, sheets of metal are formed and joined into decorative or storage tins, and precisely formulated glass is shaped, ground and polished into optical lenses.

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Cast1

Lynne Adams

Lynne Adams

Narrator (voice)

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Episode Summary

"Deep-Cycle Batteries, Tins, Optical Lenses" is episode 4 of How It's Made season 8. It scored 7.4/10 from 26 votes, ranking #10 of 13 episodes this season (season average 7.5). It aired on January 23, 2007.

Next: E5 · Horseshoes, Dishwashers, Graphite Fly Rods, Frozen PizzasBest of Season 8