from J.A. Roberts, Tyndale, 133, Little Acton Hill, Wrexham to Henry Sutcliffe, G.O.R. giving information about his standard gauge and enclosing sketch of valve.
Attached:
ADVERTISING SPECIFICATION for pressure gauge tester.
from J.A. Roberts, Tyndale, 133, Little Acton Hill, Wrexham to Henry Sutcliffe, G.O.R. giving information about his standard gauge and enclosing sketch of valve.
Attached:
ADVERTISING SPECIFICATION for pressure gauge tester.