Medic power armor manual

The medic power armor manual is a holotape in Fallout 3.

Location
On the body of the dead Brotherhood of Steel initiate, in the Olney sewers (south on the local map - marked B), along with the prototype medic power armor. It explains how the armor works:

Gallery
Handbuch zur Arzt-Powerrüstung Медицинская силовая броня. Руководство.