203 



at Venice, driven in 1312, and well preserved to the CASE 

 present time. 121, 



On the upper shelves of the central compartment 



Ibserve woods of Dantzic, Memel, Stettin, and French 

 laks, furnished by Q. Rohur. This Oak is known under 

 Vfo forms, described by some writers as distinct species, 

 aider the names of Q. sessiliflora^ Salisb., and Q. pedun- 

 Ulata, Ehr. 



No. 493. Series showing stages in the manufacture of 

 le Oak and Elm fasteners, used to secure rails to the 

 f shoes " and " sleepers " on railways. 



No. 494. Series of products of destructive distillation 

 of w^ood obtained from Oak, Beech, Ash, &c. Peeled 

 Oak yields the largest quantity, and the stronger acid, 

 one ton producing 131 gallons of acid and 5^ cwts. of 

 charcoal. 



Observe on the outside of the Case Kype or WiSKET, 

 a rough kind of basket made of Split Oak Saplings, used 

 in Shropshire for general purposes. 



The last compartment contains specimens of Bog Oak 

 from Norfolk and Ireland. xA.lso bracelets, brooch, and 

 necklace of Bog Oak. 



The first compartment of this Case contains a continua- CASE 

 tioo of specimens of wood of Q. Rohur, also some j^22. 

 illustrations o.^' veneers and of machine carving in Oak. 



On a lower shelf observe model in Cork of the town of 

 Fribourg, Switzerland. 



No. 495. Wood of Cork Oak (Quercus Siiher, L.) 

 and specimens of bark (Cork) showing the formation of 

 the several layers. The Cork tree grows in Spain, South 

 of France, Italy, and Algeria. Cork is the thick outer 

 bark, which may be removed from the same tree at inter- 

 vals of 6 to 10 years after it attains an age of about 

 30 years. The Cork collected previously is of inferior 

 quality. The bark is heated, loaded with weights to 

 flatten it, and then slowly dried. The operation of 

 removing the Cork does not interfere with the healthy 

 growth of the tree ; it is said, rather, to favour it. 

 Specimens of various Bottle "Corks," finished and in 

 progress, are exhibited. On the bottom shelf is shown a 



