Steam velocipede
TL;DR
Steam velocipede - requires enrichment with adjacent possible narrative
Both the Michaux-Perreaux and the Roper velocipedes have competing claims at being the first steam-powered velocipede
What Had To Exist First
Preceding Inventions
What This Enabled
Inventions that became possible because of Steam velocipede:
Independent Emergence
Evidence of inevitability—this invention emerged independently in multiple locations:
USA
Parallel development
Biological Patterns
Mechanisms that explain how this invention emerged and spread: