Locomotive # 12 was ordered on 22 June 1889 .
Locomotive # 12 was built in only 8 days to be ready for anticipated Independence Day crowds after the Porter Forney wheelbase proved too rigid for reliable service on small - radius curves .
Locomotive # 12 was ordered on 22 June 1889 and built in only 8 days to be ready for anticipated Independence Day crowds after the Porter Forney wheelbase proved too rigid for reliable service on small - radius curves .