Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 948
ededto remove it is a slight pulling down of the outer cylinder, whichenables the collar of the objective to be slipped out again. Theinner cylinder is supplied by M. ISTachet (when desired) with theSocietys screw; and the collar can be adapted to receive eitherMi Nachets or any other… … \ /
Microscopy · Biology
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-717-418.webp)
