ELECTRICAL CONNECTIONS 



179 



feed wire and that from each of these a number of subsidiary- 

 leads ramify. Upon the latter the berries are carried in 

 Series. 



In a bunch of grapes a different arrangement obtains : 



Grapes — Series- Parallel. 



Here the main branch leads of the Elderberries are 

 absent, but subsidiary leads are tapped off the stalk in such 

 manner as to enforce symmetry of growth and upon these 

 the Grapes are borne in Series-parallel. The bunches, 

 however, are always in Series. 



And so on, and so on. There is no dearth of material. 

 Look round the garden and the orchard, at the Plums, 

 the Cherries, the Raspberries, the Pears, the Peas and Beans : 



<7„ 



<r.._i/: 



Peas — Series-Parali,ei,. 



Runner Beans— Series-Parai<i,el. 



