No. 53 054 



Accessories and Auxiliary Apparatus for Air Pumps. 



403 



53039. 1:4. 



53041. 1 : 3. 



53044. 1 : 6. 



53 048. 1 : 5. 



53052. 1:6. 



53049. 1 : 6. 



53050. 1 : 3. 



53051. 1:2. 



53053. 1 



53.044. Apparatus for Bursting Bladders, Figure, 90 mm external diameter, of metal 



53.045. -- idem, 150 mm external diameter, of metal 



53.046. - - i d c in, 90 mm external diameter, of glass 



53.047. - - i d e in, 140 mm external diameter, of glass 



Nos. .">:!, O44 and 53,046 can be used with small air pump; for Nos. 53,045 and 53,047 the diameter 

 of tin; air pump plate, should be at least 180 mm. 



53,04*. Apple Cutter, F i g u re, consisting of a receiver with fitting on top for holding an 



apple 



53.ni!). Mercury Shower Apparatus, Figure, for showing the pressure of the air and the 

 porosity of solids, with stopcock and foot, arranged for taking various fabrics . . . 

 In tli is apparatus the forcing of mercury into the air pump is entirely obviated. 



5:;, 050. -- idem, according to Figure 53,050, arranged for taking various materials 

 5.5. 051. Rubber Balloon, Figure, with stopcock, for showing the expansion of the en- 



closed aii- under the receiver (Gan.-Man. Fig. 130; M. T. p. 122) 



)3,05ii. Small Tripod with vessel underneath, Figure, for sucking a perforated egg by 

 means of the air pump | 



3,o53. Apparatus for showing the uniform pressure of air in all directions, Figure . 



Large white metal pipe, cross shaped, with three openings, covered over with rubber. 



(3,054. - - id e in. with three brass hemispheres arranged above, sideways and underneath 



1. 



Cl. 973, 4095, 987, 975, 3876, 

 3663, 986, 5326, 992. 



4. 



26* 



