Two high value computers have been stolen from a van parked in the Foundary pub car park in St James Road, Northampton.
The specialist computers, which are used to guide cameras through drainage systems, were taken from the back of a van which was parked in the car park between 10pm on Saturday, January 31 and 4am on Sunday, February 1.
The computers are only two of a handful in the UK.
Police would like to speak to anyone who may have witnessed this incident or who may have been offered these computers for sale.
Witnesses or anyone with information about this incident is asked to contact police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111 or use the anonymous online form at www.crimestoppers-uk.org.