From the March 1967 magazine.

About Alcoholism - Alcoholism Information, Research and Treatment

If You Can See

Many Swiss drinking drivers now carry slide rules, issued to them by their insurance companies, which calculate whether the driver can safely drive after a relaxing evening with friends and a few drinks. The slide has separate scales graduated for body weight, quantity of alcohol drunk and time elapsed since the first drink. By pushing the different scales into proper alignment, the driver can tell whether he has a safe and legally permissible blood alcohol level (which is only 1.18 percent in Switzerland) or more. The only drawback is that the driver must be able to see well enough to read the rule.

This is a preview. To view the full article, use the link below to begin a free 7-day trial!