She was rigged as a three-masted barque with square sails on the mainmast and foremast, a gaff rigged fore and aft standing rigging, all of natural manila rope and galvanised wire.
12.
Because of fears that the reaction could " run away ", Hilberry stood ready with an axe to cut the scram line, a manila rope connected to control rods that could quickly shut the reactor down.
13.
They also fabricated the control rods, which were cadmium sheets nailed to flat wooden strips, cadmium being a potent neutron absorber, and the scram line, a Manila rope that when cut would drop a control rod into the pile and stop the reaction.