Here are some images I found from the University of Texas website.
All Sirens have since been removed.
Denver Duplex on a water tower at Dallas Love Field.
![metapth66541_m1_1.jpg](./download/file.php?id=11414)
- metapth66541_m1_1.jpg (9.51 KiB) Viewed 31015 times
Bullard 3H27 on a water tower at Seagoville.
![metapth925084_m1_1.jpg](./download/file.php?id=11415)
- metapth925084_m1_1.jpg (14.07 KiB) Viewed 31015 times
Fedelcode Model 5/7? on a water tower behind Monahans City Hall.
![metapth1129183_m1_1.jpg](./download/file.php?id=11416)
- metapth1129183_m1_1.jpg (26.25 KiB) Viewed 31015 times
SD-10 on the Austin Municipal Building's roof.
![metapth673037_m1_1.jpg](./download/file.php?id=11413)
- metapth673037_m1_1.jpg (10.04 KiB) Viewed 31015 times