well the top row are all GE meters from left to right is a GE IA ,I-10A,I-14A,I-16A,I-20A,I20S,I-30A,30S,I50S,I-55S,I-60,I-70>second row are WESTINGHOUSE OA,OB,OC,DA,DS,D2A,D2S,D3A,D3S,D4S,D5S,ABB.third row is SANGAMO H, HC,JA.JS.J2A.J3S,J4S,J5S the last row is DUNCAN ,the first is a MD, then a MF-A & S,a MK-A & S ,MQ ,MS, these start at 1898 & go to the present,"A" base reguires no socket,as of couse "S" is a socket type meter. if anyone wants to know about these let me know. also have a STEWART WARNER & A FISHER-PIERCE photo control not pictured also a schlumberger CENTRON.this is just few of my many.hope everyone enjoys the pctures.if anyone has one they want to sell ,let me know.for complete details check out WATTHOURMETERS.COM ERWIN :-)

[This message has been edited by circuit man (edited 09-28-2004).]