Latest Firefox 3 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/6476-04-24 01:23:51.863586 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_8; rv:1.9.2.20) Gecko/9080-10-20 10:50:44.810211 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_8; rv:1.9.5.20) Gecko/9547-04-19 20:41:51.050049 Firefox/3.6.17 Mac 10 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_7_7; rv:1.9.3.20) Gecko/2825-07-31 02:55:00.601868 Firefox/3.6.18 Mac 10 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_7_0; rv:1.9.5.20) Gecko/5301-07-08 04:07:01.718216 Firefox/3.6.12 Mac 10 Unknown
Mozilla/5.0 (Windows 98; the-NP; rv:1.9.0.20) Gecko/8352-08-03 19:45:51.775085 Firefox/3.6.9 Windows 98 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/4776-10-02 03:20:03.041550 Firefox/3.6.5 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/5975-07-07 10:24:30.137650 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_6; rv:1.9.2.20) Gecko/9148-12-01 07:37:22.481171 Firefox/3.6.19 Mac 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7480-09-06 02:51:45.331665 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/9246-12-27 02:41:26.868042 Firefox/3.6.2 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_10_7; rv:1.9.4.20) Gecko/7641-05-24 15:13:44.272614 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_5_8; rv:1.9.4.20) Gecko/2124-04-10 10:08:52.148123 Firefox/3.6.18 Mac 10 Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/5497-09-24 22:20:09.602036 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/3885-01-24 19:04:56.429459 Firefox/3.6.17 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/5501-08-17 11:49:48.289490 Firefox/3.6.18 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_11_0; rv:1.9.6.20) Gecko/9229-06-02 13:35:57.197235 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/6902-02-04 00:29:16.084930 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/5781-09-11 08:31:36.696228 Firefox/3.6.7 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7313-09-18 08:26:57.534332 Firefox/3.8 GNU/Linux Unknown