The Locking-Grip of Lithotrites

Sir,?The range of grip of lithotrites is. as Colonel Keegan remarks in his letter published in the July number of the Indian Medical Gazelle, of vital importance to all who may have to use these instruments, and both that letter and Colonel Keegan's article on lithotrites in the April number must have been read with great interest by many Indian Surgeons. For some time past I have been making enquiries with reference to this question, and there are certain details which I think will very well bear further discussion. In the first place, the point of view of the instrument maker must to a ceitain extent differ from that of the operator, for, while the latter requires to be provided with reliable instruments of the greatest range of grip reasonably possible, the maker is satisfied if he can produce something he can sell, and which