Improvements in electrical exercising machines
By: [Albert Williamson Courtney]
Contributors: Lake, Henry Harris, patentee; Haseltine, Lake & Co
Publisher: Printed for His Majesty's Stationery Office by Malcomson & Co., Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains the complete specification.

Patent reference : 1901/9610.