So I didn't paste my entire .bash_history for brevity, but I can assure you I did sudo apt-get update before attempting the install.
pi@raspberrypi ~ $ sudo apt-get update
Get:1
http://mirrordirector.raspbian.org wheezy Release.gpg [490 B]
Get:2
http://mirrordirector.raspbian.org wheezy Release [14.4 kB]
Hit
http://archive.raspberrypi.org wheezy Release.gpg
Hit
http://archive.raspberrypi.org wheezy Release
Get:3
http://mirrordirector.raspbian.org wheezy/main armhf Packages [6,893 kB]
Hit
http://archive.raspberrypi.org wheezy/main armhf Packages
Ign
http://archive.raspberrypi.org wheezy/main Translation-en_GB
Ign
http://archive.raspberrypi.org wheezy/main Translation-en
Hit
http://mirrordirector.raspbian.org wheezy/contrib armhf Packages
Hit
http://mirrordirector.raspbian.org wheezy/non-free armhf Packages
Hit
http://mirrordirector.raspbian.org wheezy/rpi armhf Packages
Ign
http://mirrordirector.raspbian.org wheezy/contrib Translation-en_GB
Ign
http://mirrordirector.raspbian.org wheezy/contrib Translation-en
Ign
http://mirrordirector.raspbian.org wheezy/main Translation-en_GB
Ign
http://mirrordirector.raspbian.org wheezy/main Translation-en
Ign
http://mirrordirector.raspbian.org wheezy/non-free Translation-en_GB
Ign
http://mirrordirector.raspbian.org wheezy/non-free Translation-en
Ign
http://mirrordirector.raspbian.org wheezy/rpi Translation-en_GB
Ign
http://mirrordirector.raspbian.org wheezy/rpi Translation-en
Fetched 6,908 kB in 56s (123 kB/s)
Reading package lists... Done
pi@raspberrypi ~ $ sudo apt-get install libudev1 libudev-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libudev1