gantry cranes

If this is the wrong place for this thread toi be posted, please have this movied. As of right now, I'm workign on and almost finished working on a shipbucket scale drawing of Arrol Gantry. I'm at the stage where I will draw the service crane. The problem is that thew only image i could find of...

Hello everyone, I read in John-Maxtone Graham"s Titanic Tragedy that the Samson and Goliath cranes are "available for removal and reerection". Does anyone know if this is true? The statement about the cranes is on pg 69 , at the end if chapter 3 for those of you who have the book...