A mental patient in an empty cell believes himself to be constructing a precision apparatus to effect his escape.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1938 |
|
Weird Tales, July 1938 | Popular Fiction Publishing Co. | MAGAZINE | 91 |
| 1941 | The Other Worlds | Longmans | Anthology | 63 | |
| May 1941 |
|
The Other Worlds | Wilfred Funk | Anthology | 63 |
| 1942 |
|
The Other Worlds: 25 Modern Stories of Mystery and Imagination | Garden City Publishing Co. | Anthology | 63 |
| 1942 | The Other Worlds: 25 Modern Stories of Mystery and Imagination | Blue Ribbon Books | Anthology | 63 | |
| December 1994 |
|
100 Wild Little Weird Tales | Barnes & Noble Books | Anthology | 161 |
| 1997 |
|
100 Wild Little Weird Tales | Barnes & Noble Books | Anthology | 161 |
| 2005 |
|
100 Wild Little Weird Tales | Barnes & Noble Books | Anthology | 161 |
| 2012 |
|
Weird Tales | Pulp Classics on DVD | Anthology | 91|11091 |
| 2019 | Weird Tales (disc 4, part 2) | Anthology | 91|43201091 |