voting machine

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An apparatus for use in polling places that mechanically records and counts votes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any machine used in place of a paper ballot. In the model used in the US the voters mark their choice by switching levers and then pulling the master switch to reset the machine and place their vote.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a mechanical device for recording and counting votes mechanically