| Balloon, 212,ooo cubic feet, with car, steering apparatus, etc. |
$9,650 |
| Balloon-house with canvas walls |
$4,000 |
Hydrogen appatatus for 5300 cubic feet per hour $1,950
|
|
Raw materials, zinc and suphuric acid (with calculated loss of 20%) $3,000
$4,950
|
|
Photographic equipment (2 apparatus and 3000 plates, etc.) $950 |
|
Other instruments, charts, maps, etc. $1,300 |
|
| Provisions, electric batteries, sledges, etc. |
$13,500 |
| Technical expert for gas production and filling |
$1,600 |
| Other, unforeseen expenses |
$4,000 |