Can anyone out there help, please ??????

Ref: The Dunlop Clock Tower on the Scoreboard side of Glencrutchery Road.

When was it erected ?
Any press release of its first use ?
When was it pulled down ?
Why was it pulled down ?
Was it always DUNLOP sponsored ?
Would it be a reasonable cost to put a new one up ?
It was a major part of the TT in those days gone by and it would be great to have one there again. Now that would have been an idea for the centenary !

And finally, when was the Bungalow Hotel at the Bungalow pulled down ?

I would appreciate some help in this matter.