Roebling III's passion: American colonial firearms and edged weapons, of which he had amassed more than 300.

FORBES: Magazine Article

The Swiss admitted afterwards he had struggled with his return and lacked rhythm but despite facing a number of break points his back-hand and deft touch at the net remained his most potent weapons as he edged a nervy third set.

BBC: Roger Federer & Novak Djokovic progress at Aussie Open