In theory, using an infinite input impedance voltmeter, all the voltages asked for in O.P's Fig. 2.13a are undefined. Given a real near infinite impedance voltmeter, *if* the insulation of the batteries is good enough, you'll measure an essentially random voltage determined by the static charge on each battery (not charge *in* the battery), and the capacitance between them and to ground. However the capacitance is extremely small, and most real voltmeters have an input impedance of under 100 Meg, (typically 10 Meg for DMMs and 20K or 50K per V of FSD for analog ters) so any static charge present will equalise by flowing through the meter very quickly, resulting in a reading of zero volts from that time forward.
As all the other figures include a ground connection to each battery, all voltages between any two points in each figure wont be influenced by static charge.