![. Electronic apparatus for biological research . Figure 40.3 maltese cross mechanism and synchronized so that the film is advanced one frame each time the spot flies back, and is motionless during the sweep period. The mechanical time-base method—For ... . Electronic apparatus for biological research . Figure 40.3 maltese cross mechanism and synchronized so that the film is advanced one frame each time the spot flies back, and is motionless during the sweep period. The mechanical time-base method—For ...](https://c8.alamy.com/zooms/6/ea84e6f19c4747b29fe2c29800d72a8e/ma7at1.jpg)
. Electronic apparatus for biological research . Figure 40.3 maltese cross mechanism and synchronized so that the film is advanced one frame each time the spot flies back, and is motionless during the sweep period. The mechanical time-base method—For ...
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