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Dover have completed a hat-trick of signings in one day after bringing Ben Williamson and Reda Johnson to Crabble.
Ex-Gills striker Williamson and former Sheffield Wednesday defender Johnson join the returning Ricky Miller in Andy Hessenthaler's squad.
Williamson, 32, played under Whites boss Hessenthaler at Eastleigh and arrives at Dover after leaving Bromley earlier this month.
He spent a year and a half at Hayes Lane, scoring the goal against Notts County that booked the Ravens' National League play-off place.
The striker made a handful of substitute appearances for Bournemouth at the start of his career.
He established himself in the Football League at Port Vale, chalking up more than 100 games before a free transfer move to Gillingham in 2015.
He played only nine times for the Gills before signing for Cambridge and then dropped into non-league at Eastleigh.
Dover's third signing of the day is big Frenchman Johnson, who's agreed a player-coach deal.
The 6ft 3in centre-back also played under Hessenthaler at Eastleigh, having spent the past five years with the Spitfires.
Johnson, 33, brings a wealth of Football League experience, counting Plymouth, Sheffield Wednesday and Coventry among his old clubs.
He's best known for his time with the Owls where he made 75 appearances between 2011 and 2014, scoring 18 goals - an excellent return for a defender.
He also chipped in with a useful seven goals in 32 games for Coventry before signing for Eastleigh in 2016.