This exhibit is a standard production US Navy CG-1787. Bakelite base cap with horizontal ink lettering. Rainbow getter.![](../pics/aco0019a.jpg)
The base cap.Thanks to Joe Gruber for sending the images.The balloon envelope is 35 mm in diameter and, excluding the UV base pins, is 98 mm tall.Reference: Joe Gruber. Type CG-1787 was first introduced in 1918. See also 1918 adverts. |
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | ![](../static/key.gif)
| 3.65 | 0.65 | 20-100 |
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Updated February 08, 2021.
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