Subsequently, other companies produced balloons of one type or another for us; the total number and type of balloons purchased is given in Table 2.
Table 2
Plastic Balloons
Company Film Type, Thickness Diameter, Shape Special Features Unit Cost No. Delivered to Date
Harold A. Smith, Inc. .004 polyethylene 3-ft.diam., spherical Prototype $150.00 4
" " " " .008 polyethylene 15-ft.diam., spherical Low permeability 530.00 5
" " " " .004 polyethylene 15-ft.diam., spherical Low permeability 530.00 5
General Mills Inc. .001 polyethylene 7-ft.diam., tear-drop Stressed tape type seam 20.00 25
" " " " .001 polyethylene 20-ft.diam., tear-drop Stressed tape type seam 125.00 175
" " " " .001 polyethylene 30-ft.diam., tear-drop Stressed tape type seam 250.00 15
" " " " .001 polyethylene 70-ft.diam., tear-drop Stressed tape type seam 900.00 5
The Goodyear Tire & Rubber Company, Inc. .004 polyethylene 20-ft.diam., egg-plant Stressed tape type seam and low permeability 475.00 10
Winzen Research, Inc. .015 polyethylene 20-ft.diam., tear-drop Low permeability 115.00 20
Non-Plastic Balloons
Dewey and Almy Chemical Co. J-2000 neoprene balloon with nylon shroud of 15-ft. diam., spherical Internal pressure 325.00 3
Seyfang Laboratories Neoprene-coated nylon 22.5-ft. diam., spherical Internal pressure 550.00 10