Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Bjerrum screen

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

Bjerrum screen --> tangent screen

a flat, usually black surface used to measure the central 30 degrees of the field of vision.

Synonym: bjerrum screen.