Identification:
    Object name: advertisement
    Classification: science and technology
    Classification: heat and light
    Brief Description: Printed and illustrated advertisement for the Recessed Cone Valve, engineered by Porter and Lane, London, late 19th century

Production:
    Date:
        Date Begin: 1865
        Date End: 1899
    Organisation:
        Organisation Name: Porter and Lane

Association:
    Person:
        Person Name: Hollinshead, Mr
        Person Role: patentee
    Place:
        Parish: London
        County: Greater London

Object location:  Box 44

Description:
Material: paper
Height: 34.5 cm
Width: 21.5 cm