THE MICROSCOPE. 
Vou. VI. DETROIT, DECEMBER 1886. No. 12. 
ORIGINAL COMMUNICATIONS. 
MICROSCOPICAL NOTES. 
SIMON H. GAGE. 
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FIGURE 1. INJECTING JAR. A. Glass pressure tube just penetrating the cover of the 
me and connected with the atomizer bulbs by tubber tubing. B. glass delivery 
ube passing through the cover and extending nearly to the bottom of the jar. To 
this is attached the cannula. GC. Injecting cannula, terminating the delivery tube. 
D, Rubber tubing serving to make the joints air tight where the tubes penetrate the 
cover of the jar. 
1. Insectinc Jar. The preparation of the injecting jar here 
figured grew out of the necessity of some simple and efficient 
apparatus for injecting liquids (chloride of gold, nitrate of silver, 
nitric, chromic, osmic and picric acids) which would be injured 
by or injure an ordinary syringe. As will be seen by a glance at 
the figure, the injecting jar is made on the principle of an ordinary 
wash bottle. It is prepared by boring two holes in the glass cover 
of a fruit jar or of an anatomical specimen jar, and inserting glass 
