180 THE HONEY EXTRACTOR AND ITS USE. 
CHAPTER XI. 
THE HONEY EXTRACTOR AND ITS USE. 
ITS VALUE, 
Second, @ only in importance to the invention of movable 
frames, is that of the machine for extracting liquid 
honey from the combs. It was invented by Herr Hrus- 
cE Pld, 
Leer ry 
chka, of Germany, in 1868. The simple words, “ centri- 
fugal force,” solved the problem, and taught us all how 
short a step it often is from obseurity to light. Mr. 
~~ Langstroth had a glimmering of it, ten years before, 
when he wrote, “If store combs could be made of gutta 
pereha, they might be emptied of their contents, and re- 
