Identification:
    Object name: letter
    Classification: science and technology
    Classification: heat and light
    Brief Description: Printed letter from William and Benjamin Cowan, gas meter manufacturers, informing that Mr Donaldson had been admitted partner of the firm and also information on the alteration of gas meters after the Sales of Gas Act, 23rd January 1869

Production:
    Date: 23.1.1869
            Parish: Edinburgh
    Organisation:
        Organisation Name: William and Benjamin Cowan

Association:
    Date:
    Person:
        Person Name: Donaldson, Alexander

Object location:  Box 44

Description:
Material: paper
Height: 25.5 cm
Width: 20.5 cm