| Answer | Crossword Clue |
|---|---|
| CAS | "... in cat" (part of an early lesson) |
| musicals | A play or movie in which singing and dancing play an essential part. Musicals developed from light opera in the early 20th century |
| COREMEMORY | Part of an early computer |
| SCARF | Part of an early aviator's wardrobe |
| JAS | Part of an early president's signature |
