Show nuts posts contact points knobs cells when buying contact points get those high heads and two nuts mid and seo see that the nuts screw all tho the way up to the heads contact points with only ono one nut are arc likely to cause a lot of annoyance by wording loose un under or alio to ne action on 0 of the i switch w c i lever v abut tit where two nuts tire used one nut to hold the contact point inn firm and the other nut to lock that one there will never be any trouble when buying binding posts see that the head screws the way and andallo also seo see that the screw of tile the binding post Is not so ian hing that when the liend bond Is if screwed down all tile tho way after allowing for panel or baseboard thickness there Is too much space otherwise the post poat will not grip tho the wire tightly when buying dials see sea that tile the set act screw thread th in tho the knob la 18 not stripped that Is worn away when buying dry cells or B batteries batt arlea so see that the binding in posts are not in that condition wh where e a little handling will cause them to break off on and see dat the heads screw crew cosily and all the way on thu sergies ser givs these little ittle attentions to td doall when ing will save cave a i lot of sweating later late |