Berens Horizontal Prism Bar with EZ View Labeling Including Case

Pioneer International Horizontal Prism Bar 1601

GULDEN BERENS PRISM BAR SET IN WOODEN CASE HORIZONTAL AND VERTICAL

Gulden prism bar set, horizontal with auxiliary 45 diopter prism

R. O. Gulden prisum bar with case

Berens No. B-15 Horizontal Prism MFG By RO Gulden Philadelphia PA

Pioneer International Horizontal Prism Bar 1601

3.5 Gallon Complete Plaster Trap Bucket Including Hoses Made in the USA