there is a sign which says:

'Bill's Gate:  Progress this way barred forever by restrictive practices.  Even the Soft Lotus Eater hasn't found the soft key yet.'

There is a slot in it which looks like it will take a 3.5 inch floppy disk"
 6 
"It is of cast-iron construction and once blocked the route effectively."
 7 
"It seems ironic that this facsimile of a roman road, that epitomy of directness, is blocked to the West by Bill's Gate.  There is a slot in it that looks like it will take a 3.5 inch floppy disk"
 11 
"A large wrought iron gate blocks the way.  It is fitted with a standard yale-type lock."
 12 
"T