THE GRANT AND VALIDITY

OF BRITISH PATENTS FOR

INVENTIONS

OF BRITISH PATENTS FOR

INVENTIONS

BY JAMES ROBERTS, M.A., LL.B.

LATE MATHEMATICAL SCHOLAR; GOLD MEDALLIST IN EXPERIMENTAL
SCIENCE, TRINITY COLLEGE, DUBLIN; OF THE INNER TEMPLE,
BARRISTER-AT-LAW; AND ASSOCIATE OF THE INSTITUTION

ELECTRICAL ENGINEERS

OF

WITH MANY DIAGRAMS

LONDON

JOHN MURRAY, ALBEMARLE STREET

1903