Hooks (primary sources that can kickstart STEM investigations)
Telegraph and Rail Road Map of New England States
http://www.loc.gov/item/98688383/
http://www.loc.gov/item/98688383/
Prometheus Unbound; or Science in Olympus
http://www.loc.gov/pictures/item/2009617455/
http://www.loc.gov/pictures/item/2009617455/
The Progress of the Century; The lightning steam press, the electric telegraph, the locomotive, [and] the steamboat
http://www.loc.gov/pictures/item/90716345/
http://www.loc.gov/pictures/item/90716345/
Stillman Churchill's Overland Diary
http://contentdm.lib.byu.edu/cdm/compoundobject/collection/Diaries/id/7636/rec/4
[April 6, 1849]
Left Holidaysburg 7 ½ A.M. assended 3 inclined planes perpendicular height 1396. Ft which is the elevation of the Allegheny s. Numerous coal mines abound here of great richness; traveled this afternoon by canal; whole number of locks 172 – 6 feet each amounting to an elevation of 1032 feet.
http://contentdm.lib.byu.edu/cdm/compoundobject/collection/Diaries/id/7636/rec/4
[April 6, 1849]
Left Holidaysburg 7 ½ A.M. assended 3 inclined planes perpendicular height 1396. Ft which is the elevation of the Allegheny s. Numerous coal mines abound here of great richness; traveled this afternoon by canal; whole number of locks 172 – 6 feet each amounting to an elevation of 1032 feet.
