| http://www.w3.org/ns/prov#value | - In the example shown, the regulator'E is supported in and by the cabinet by means F, preferably comprising a support 65, secured to-the back of the regulator, in any suitable manner, such as by screws, not shown in the drawings, the shanks of which may be accommodated in perforations 66; and a screw 81, the shank of which passes through an opening 68 in the support 65,- and into the perforation 31
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