OF S I L IC 103 



becaufe, as they fnftaln the whole weight, 

 it might weaken them. 



When you untie the ihort tranfverfe poles 

 A D, &c. which are at the ends of the 

 fland, the front and back of the fcafFold- 

 ing comes afunder, and may be laid flat 

 againft one another, fo as to take up little 

 room, till you have occafion again to ufe 

 them. The divifion next A Ihews the 

 flielves, which are a fort of hurdles made 

 of fmall reeds. They are ranged above 

 one another at about the diflance of four^. 

 teen or fifteen inches. 



Over the loweft hurdle is reprefented a 

 Hoping receiver of coarfe paper, or thin 

 bafs matting -, its ufe is to defend each un- 

 der hurdle from the litter of the worms 

 above it. Thefe are only necefiary when 

 you choofe to weave the reeds fo open as 

 to let the filk worms litter fall through ^ in 

 which cafe there fliould be a receiver under 

 each hurdle j but when the hurdles are 

 made 10 cl ofe as not to let the litter pafs^ 

 there is no occafion for the receiver^. 



The divifion at B is left clear of Ihelves, 



to fnew the pins i, 2, 3, 4, 5, &c. upon 



which the hurdles reft j the breadth of 



each hurdle muft be equal to the diftance 



H 4 betweeu 



