Ephemera › HS 3127 - Advertisement sheet from C.D. Austin, 40 Mosley Street, Newcastle c 1870 Image 1 of 2 Image 2 of 2 HS 3127 - Advertisement sheet from C.D. Austin, 40 Mosley Street, Newcastle c 1870 £40.00 Printed on two sides with The Ashcroft Patent Low-Water Detector and Alarm for steam boilers. Add To Cart Added! Printed on two sides with The Ashcroft Patent Low-Water Detector and Alarm for steam boilers.