Antique Electronic Supply (www.tubesandmore.com) sells reproductions of Philco pushbuttons. The come in two lengths: 0.75 inch (part #P-K411) and 1.25 inch (part #P-K412). Both varieties are $2.95 per button, plus shipping. A $10 minimum order is required.
Steve Thanks for the info.I'll contact them tomorrow.
Regards
Cirilo