Metal Cutting Shears by Hadrill.Ref:wsnsh.
Metal cutting shears by Hadrill of London made probably early 20th century,of mostly cast iron construction.
The table c8in long with 2 channels,c 2.25in wide overall.

Price £35. 

Another, by Haddon. Ref:wsnsh2.
Very similar dimensions but graduated bed and longitudinal stop.
Price £35. Full details,shipping costs etc available.