664 



Description of Two Kinds of' Beehive. 



136 



Fig. 137. is another plan for opening and shutting the gate by 

 means of two drums or cylinders : i is the cylinder to which the 



137 



138 



gate is fixed, and supplies the place of the wheel No. 3. in Jig. 

 133.; k is supposed to be in the place of No. 6. ; and I in that of 

 Nos. 7. and 8. The wheel g is about eighteen inches in dia- 

 meter ; J\s the worm pinion to turn g, and is about six inches 

 in diameter. This plan will be equally efficacious for an upper 

 or a lower room, as it makes no difference what the length of 

 h is. Fig. 138. shows that two chains, m m, are fixed to the cy- 

 linders i k, at no and at p q. This plan I consider as cheaper 

 and simpler than the other. I am, Sir, yours, &c. 



M. Saul. 

 Sulyard Street, Lancaster, Dec. 22. 1831. 



Art. XL 



A Description of Two Kinds of Beehive. 

 By Mr. W. Young. 



Sir, 



I have constructed two sorts of beehives, which, I think, are 

 worth being noticed in your Magazine. One {Jig. 139.) is 

 shaped like the but of an ancient elm, and is placed on a block 



