Belfort Microbarograph Barograph User's Manual Instructions 8.5" x11"

Description

This 8.5" x 11" copy of the manufacturer's barograph instruction booklet is Belfort's official 5-800a microbarograph user manual. The printing is clear and the photos are high resolution. (33 printed pages)
If you have questions, I'm happy to try to answer them.
Best wishes from Brad.