36 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



140-; 



1400 



a. b. c. d. 

 1400 BALLOON, Glass, for weighing gases 



$0.75 1.50 3.00 2.50 

 See also Chancel's Bulb. 

 1402 BALLOON, Glass. Dumas', for determining the specific gravity of vapors. 



Capacity, c. c 30 50 100 150 



Each $ -40 .50 .60 .75 



1410 





1420 



1424 



1431 



143(3 



1428 BAROMETER 



1410 BAROMETER, Aneroid, brass case with 5-inch porcelain dial and curved 



thermometer $15.00 



1420 BAROMETER, Bunsen's Siphon, graduated in millimeters, with support . . 12.00 



1422 BAROMETER, Bunsen's Siphon, the graduated tube only, not filled 3.00 



1424 BAROMETER, Oak Frame, plain front, oxidized scale divided to 1-10 



inches, sliding metal pointer; with thermometer 15.00 



U. S. Weather Bureau's Standard with vernier reading 

 ^^^^ to 1-1000 inch, thermometer, etc 60.00 



1430 BAROMETER, same, with both English and metric scales 67.50 



1431 BAROMETER, same, with oak board, opal glass reflectors 72.50 



1434 BAROMETER TUBE, Straight, 33 to 36 inches long, for Torricelli's ex- 

 periment 35 



1436 BAROMETER TUBE, Bent, with bulb 50 



BAROMETER TUBING, see TUBING, Glass. 

 BASKETS, see TEST TUBE, Baskets. 



