In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Adel like this:
ADDLE, or Adel, a township and a parish in Otley district, W. R. Yorkshire. The township lies near Horsforth r. station, and 6 miles NNW of Leeds; and it is joined to Eccup, forming Addle-cum-Eccup. Acres, 4,576. Real property, £6,160. Pop., 801. Houses, 145. The parish contains also the township of Arthington. ...
Post Town, Horsforth under Leeds. Acres, 6,356. Real property, £9,900. Pop., 1,145. Houses, 208. The Leeds waterworks are within Addle township. Remains of the Roman town Burgodunum and other antiquities, are on Rumbold's moor, 1,808 feet high. The living is a rectory in the diocese of Ripon. Value, £623.* Patron, John Murray, Esq. The church is a very fine Norman edifice, of date prior to 1100. The vicarage of Arthington is separate. Charities, £84.
GB Historical GIS / University of Portsmouth, History of Adel, in Leeds and West Riding | Map and description, A Vision of Britain through Time.
Date accessed: 29th March 2017
Click here for more detailed advice on finding places within A Vision of Britain through Time , and maybe some references to other places called " Adel ".