93 



612. COCOON BRUSHING MACHINE. 



Loaned by E. W. Serrell, Jr., Esq., Chabcuil, France. 



613. SERIMETER. 



For measuring the elasticity and breaking strength of silk threads. 



614. EPROUVETTE. 



For winding off a skein of silk 470 meters long, the weight of which 

 indicates the standard size of the silk. 



615. BALANCE. 



For weighing the skeins coming from the eprouvette. 



616. HOOK FOR T-WISTING SKEINS OF SILK. 



iflag'iiasieB'ie Iiiiplciuciitsi. 



617. PERFORATED TRANSFER PAPER, 

 Donated by I. Carpenter, Esq., of Cherry Creek, N. Y. 



618. TRANSFER-DRA^WER. 



For transferring perforated paper and its charge of leaves and worms 

 from one table to another. 



619. KNIFE. 



For chopping mulberry leaves. 



620. A MODEL MAGNANERIB IN 'WHICH SILK WORMS WILL 

 BE RAISED DURING THE EXHIBITION. 



