I have an OHP FOR SALE.
Cost well over £200 new. Looking for £25. Collection from Nottingham. Can be seen working and I believe comes with spare bulb.
Is made by 3M and is the model 910.
Rental prices for price comparison interest here; http://www.allproav.com/3M910.htm
$72 a week rental in USA for this model.
Collection from Nottingham, Cash on Collection.