. Electronic apparatus for biological research . Figure {Figure ). Lines of electric force emanating from P in the direction of the amplifier now alight on the screen and, even though it be of mesh con- struction, are prevented from reaching the amplifier. The equivalent circuit is Figure Notice that the earthing of the screen must be sound, other- "Q

---

Size: 2662px × 1878px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity