Reader Ad Slot
Reader Ad Slot placeholder
If you would like to support SpookStack without paying out of pocket, please consider allowing advertising cookies. It helps cover hosting costs and keeps the archive free to browse. You can change this choice at any time.
Alcatraz Escape — Part 16
Page 19
19 / 81
1-8
{Uy
ae
This photograph was taken directly over the ventilator opening
on the roof and shows the vent re-enforcing rod and the stud
holes normally used to fasten down the heavy galvanized grate
shown in photographs 1-1, 2, and 3. Immediately below the opening
may be seen the top of the motor housing which is normally offset
from the roof opening and when in operation is joined by a
galvanized gooseneck connection. The blades of the "squirrel
cage" type air impeller may be seen just above the bent portion
of the rele oreing red. The bent rod is on the eastern side
of the le.
(Photo taken by SA.
/12/62
£11 @ 200 Tri x “
Wz, §
Reveal the original PDF page, then click a word to highlight the OCR text.
Community corrections
No user corrections yet.
Comments
No comments on this document yet.
Bottom Reader Ad Slot
Bottom Reader Ad Slot placeholder
If you would like to support SpookStack without paying out of pocket, please consider allowing advertising cookies. It helps cover hosting costs and keeps the archive free to browse. You can change this choice at any time.
Continue Exploring
Agency Collection
Explore This Archive Cluster
Broad Topic Hub
Topic Hub
Related subtopics
Subtopic
Subtopic
Subtopic
Subtopic
Subtopic
Subtopic