Current Issue: Volume 48, Number 4, Fall 2019

In this issue:

• The Aermotor Company: From Windmills to Forest Lookout Towers
• IA in Art: Delaware Suspension Bridge
• Call for Nominations—SIA Officers 2020
• 2020 SIA Annual Conference Preview: Lehigh Valley, Pa., May 28–31
  • Call for Papers
  • Student Scholarships
• General Tools Award Nominations • Industrial Water Pollution Protests