PRACTICAL X RAY WORK. By Frank T. Addyman, B.Sc. (Lond.), F.I.C., Member of the Roentgen Society of London; Radiographer to St. George's Hospital; Demonstrator of Physics and Chemistry, and Teacher of Radiography in St. George's Hospital Medical School. Demy 8vo. Twelve Plates from Photographs of X Ray Work. Fifty-two Illustrations. 200 pp. Price 10s. 6d. net. (Post free, 10s. 10d. home; 11s. 3d. abroad.)

Contents.

Historical -- Work leading up to the Discovery of the X Rays -- The Discovery--Apparatus and its Management -- Electrical Terms -- Sources of Electricity -- Induction Coils -- Electrostatic Machines -- Tubes -- Air Pumps -- Tube Holders and Stereoscopic Apparatus -- Fluorescent Screens -- Practical X Ray Work -- Installations -- Radioscopy -- Radiography -- X Rays in Dentistry -- X Rays in Chemistry -- X Rays in War -- Index.

List of Plates.

Frontispiece -- Congenital Dislocation of Hip-Joint. -- I., Needle in Finger. -- II., Needle in Foot. -- III., Revolver Bullet in Calf and Leg. -- IV., A Method of Localisation. -- V., Stellate Fracture of Patella showing shadow of "Strapping". -- VI., Sarcoma. -- VII., Six-weeks-old Injury to Elbow showing new Growth of Bone. -- VIII., Old Fracture of Tibia and Fibula badly set. -- IX., Heart Shadow. -- X., Fractured Femur showing Grain of Splint. -- XI., Barrell's Method of Localisation.