Microscopical Essays/ r|t 



number affixed to it, as to the magnifier you are ufmg ; ex. gr. 

 if you are making ufe of the magnifier marked 5, flide the tube 

 to the circular line on the tube N, that is marked alfo with 

 • No. 5. 



The Aider-holder mould be removed when you are going to 

 view opake objects, and a plane glafs fhould be placed on the 

 ftage in it's (lead to receive the object ; or it may be placed in 

 the nippers L, Plate IX. the pin of which fits into the hole in 

 the ft age. 



A List of the Apparatus to Culpeper's Microscope. 



Five magnifiers, each fitted in a brafs button ; one of thefe is 

 feen at B, Plate IX. 



Six ivory Aiders, five of them with objects. 



A brafs tube X, Plate IX. to hold the concave fpeculum. 



The concave fpeculum in a brafs box. 



A fifii-pan. 



A fet of glafs .tubes. 



A flat glafs fitted to the ftage. 



A concave glafs fitted to the ftage, 



M 2 A pair 



