Improvisation Instruments

A Treatise On Strabismus, With A Description Of New Instruments Designed To Improve The Operation For Its Cure, In Simplicity, Ease And Safety, Illust

The Antient Bee-Master's Farewell; Or, Full And Plain Directions For The Management Of Bees To The Greatest Advantage; Disclosing Further Improvements Of The Hives, Boxes And Other Instruments, To Facilitate The Operations; Especially That Of Separating D