Die Brücke 1941 Doctor's Handbook in 6 Languages Book The mask is complete with

The mask is complete with lenses and filter

This is from sometime between the early 1900s to the 1920s

so the owner was in the military

The calendar is basically a spiral bound notebook inside a hard cover

but still very nice looking

Die Brücke 1941 Doctor's Handbook in 6 Languages Book The mask is complete withDie Brcke Klinische Bilder in Sechs Sprachen (The Bridge Medical Pictures in Six Languages) a handbook for doctors in the treatment of foreign patients. I did not notice any pictures, just text. Printed in 1941 in Leipzig. There are columns in German, English, French, Italian, Spanish and Portuguese of conversations between doctor and patient on many common diseases. There are also sections in the back dealing with medicines and laws. "It is designed