'London Unit - Membership' Typed lists from the London Unit detailing statistics on membership. These include lists of: Unpaid subscriptions New and rejoined members Non-evacuated London members Members whose addresses are temporarily 'lost' or 'not known' Retired members Prospective members Resignations Lapsed members Transfers Changes of address Also includes standard letters sent by the General Secretary to members due to retire, sending her best wishes and hopes that they will retain NUWT membership once retired by becoming a Life Member. 1939 - 1952