She, Pentam, Hans and Bundo spend a week of evenings setting up the system to split hydrogen from the water. Cal made a chute to capture the hydrogen from the barrel of water as it bubbled up and deliver the gas to the envelope. The fan engine on low pressure turned the magnet as fast as Cal thought safe. Very slowly the envelope took shape. Lacking a rigid frame on her airship, she used nets from fishing boats to hold the gondola to the envelope.
***
Bedlam greeted her as Cal walked into the house. The students paced nervously with Pentam in the parlour. Crysabel was in her room accompanied by Matilde and the midwife. The sounds of her labour floated down the stairs.
"Sorry, my lady, but I've been busy so with helping Lady Crysabel; I haven't had time to think of supper." Beth wrung her hands.