Toggle navigation
Historical Marker Project
Historical Marker Project
Sign In
Sign Up
Home
Map
Series
Search
Random
Sign In
Sign Up
Historical Marker Search
You searched for
Postal Code: 18080
Page 2 of 2 — Showing results
11
to
11
of
11
GPX
KML
LOC
First School Slate Factory
historicalmarkerproject/markers/HM1LVP_first-school-slate-factory_Slatington-PA.html
The first factory to produce blackboard and school slates common in U.S. classrooms opened nearby in 1847. Slate production peaked at over one million pieces early in the 20th century, leading to Slatington's distinction as the nation's top slate …
show these results on map
PAGE 2 OF 2
«
1
2
Our Latest Tweet
— about 55 years ago
Follow @historicalmarkerproject
Stay In Touch
Twitter
Facebook
Google +
Popular Tags
18256
Early Settlers
17820
US Civil War
14575
Industry and Commerce
11861
Buildings
9967
Churches and Religion
9515
People
7284
Colonial Era
7091
Man-Made Features
7076
Education
7064
Waterways and Vessels
© 2024
Historical Marker Project
. All Rights Reserved.
All registered trademarks are the property of their respective owners.
HMP is owned and operated by
3RiverDev (Fort Wayne, Indiana)
.
Terms and Conditions
|
Privacy Policy
|
Disclaimers
|
About
|
Contact Us
Historical Marker Project
To top