ADVERTISEMENT

100 Years Ago: Opium Toll

Innovation and discovery as chronicled in past issues of Scientific American

The account we published of the event is at www.ScientificAmerican.com/aug2011/waring

This article was originally published with the title "50, 100 & 150 Years Ago."

or subscribe to access other articles from the August 2011 publication.
Digital Issue $7.99
Digital Issue + Subscription $39.99 Subscribe
Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.

Celebrate Pi Approximation Day
with us!

Get 3 of our best-selling Pi topic issues
Plus a FREE Bonus Issue!

Add to your cart now for just $9.99 >

X

Email this Article

X