16a A tiny thing to put forward and not back. Is it POSITRON and why please?
7d Mainland borough of West Bank city getting vote after a little time. THE BRONX? Again why please.
16a Yes, 'Positron' - 'posit' (to put forward [an idea, eg]) + 'nor' (and not, back)
7d Yes, 'The Bronx' - 't(ime)' + 'Hebron' (West Bank city, south of Jerusalem) + 'x' (vote)