PEICE OF INSTRUMENTS AND 



No. 

 3466 

 3467 

 3468 

 3469 



Collecting bottles, 3 inches X linch 

 3 inches X f inch 

 2 inches x | inch 

 1| inch X 4 inch 



SUNDRY APPARATUS 



3279 67 Glass plate ruled in squares . 



3277 67 Stagemicrometer with engraved scale. 1/10 and 



1/100 of a millimetre .... 



3278 67 Stage micrometer with engraved scale, 1/100 



and 1/1000 of an inch .... 



3276 68 Eyepiece micrometer, glass plate to fit into 

 eyepiece ....... 



3480 67 Glass scale with 100 divisions etched on in milli- 

 metres for use in making drawings 



Cross- wire for eyepiece .... 



Beck micrometer eyepiece 



Beck horizontal camera lucida 



Beck vertical camera lucida. 



Abbe camera lucida .... 



Simple type of Abbe camera lucida 



Drawing table ..... 



Iris diaphragm to fit between object glass and 

 nosepiece. ..... 



Polariscope for use on microscope . 



Photomicrographic camera, vertical type, with 

 one dark slide, ^-plate size 



— — Extra double plate-holders 

 3340 75 Photomicrographic camera, horizontal type, 



J-plate size, with one dark slide . 



— — Extra double plate-holders . 

 3343 75 Fociissing glass ..... 

 3483 -^ 63 Handcentrifugewithtwotest-tubesinaluminium 



10 6 



12 6 



12 6 



10 6 



10 



5 



2 2 



1 17 



2 10 

 4 5 



3 3 



16 



1 15 



3 10 



3 3 



13 6 



8 15 



13 6 



15 



3 3 



