Analytical balance
Balance with a protective box-like structure
Balance with motor-driven wind guard
Balance with wind guard
Combination dust cover and air screen
Draft protection device for a precision balance
Electrostatically shielded laboratory balance
Precision balance
Roll-top shield for weighing scales
Weighing apparatus including side wall operation means
Weighing apparatus including wind shielding means
Weighing apparatus with protective wind screen means
Weighing scale housing having movable parallel wall segments