Designed for use in manual Chart Projectors including products from: R.H. Burton, Marco, Reichart, Topcon, and Woodlyn.
Includes test for:
→ Sloan Letters 20/300 – 20/10 (14 Lines)
→ Astigmatic Clock
→ Sloan Numbers 20/50 – 20/10 (6 Lines)
→ Tumbling E 20/200 – 20/15 (7 Lines)
Item #: VA1113