| NAME _______________________________________ | Atomic Spec. Data Sheet, p. 3 | 
| scale reading | actual wavelength | scale reading | actual wavelength | |
| _____________ | _____________ | _____________ | _____________ | |
| _____________ | _____________ | _____________ | _____________ | |
| _____________ | _____________ | _____________ | _____________ | |
| _____________ | _____________ | _____________ | _____________ | |
| _____________ | _____________ | _____________ | _____________ |