seven o'clock
On the following night the naval brigade astonished the camp by giving private theatricals . The bill was headed `` Theatre Royal , Naval Brigade . On Friday evening , 31st August , will be performed , ` Deaf as a Post , ' to be followed by ` The Silent Woman , ' the whole to conclude with a laughable farce , entitled ` Slasher and Crasher . ' Seats to be taken at seven o'clock . Performance to commence precisely at eight . God save the Queen . Rule Britannia . ''