What mechanism did Watt and Boulton develop to convert the engine’s reciprocating motion into continuous rotary motion for factory use?

Answer

The Sun and Planet Gear system

The Sun and Planet Gear arrangement was devised to overcome issues with existing patents on cranks and successfully provided the rotational energy required to drive machinery like spinning jennies and looms.

What mechanism did Watt and Boulton develop to convert the engine’s reciprocating motion into continuous rotary motion for factory use?
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