ZURICH (Reuters) - Switzerland's national railways firm SBB is branching out next month with the launch of a new service on its ticket machines to sell bitcoins, the web-based digital currency.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=0c9S5J285yo:bWd-xaY81gg:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=0c9S5J285yo:bWd-xaY81gg:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=0c9S5J285yo:bWd-xaY81gg:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=0c9S5J285yo:bWd-xaY81gg:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=0c9S5J285yo:bWd-xaY81gg:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/0c9S5J285yo" height="1" width="1" alt="" />