Non-printing 1401 characters from Figure 267 on page 170 of the Brownie Book

Lozenge: 12-4-8: U+2311
Group mark: 12-7-8: U+2BD2
Delta (mode change): 11-7-8: U+0394
Tape mark (square root symbol): 7-8: U+221A

All the others have ASCII equivalents