Does anybody have one of the adapters used to mount three Hewlett Packard instruments (i.e. 427 voltmeter, 204 oscillator, 400E AC voltmeter) in a 19-inch relay rack? Miles Anderson, K2CBY 16 Round Pond Lane Sag Harbor, NY 11963 Tel.: (631) 725-4400 daytime email- k2cby at aol.com