Much of David's discussion involved brackets supporting the distribution system. Not much on casting system, although he mentioned the Intertype pot and molds on his machine. I will venture a guess that he has a linotype style pot pump safety levered off of the right vice jaw. Oops....Model 1 machines had a lever (pivoted at the rear of the pot) actuated by the justification system. Model 1 was possibly the only version of linotype that had the pump spring above the pot - I'll reference the photos in my 1916 "Suggestions to Machinists" that also says the Model 1s were discontinued in 1906, but were still be made "special order" as late as 1916. That his machine has Star components suggests that it received more than Intertype modification. Theres a risk in assuming that all these machines were factory equipped versions when in fact there were some mightly creative machinists at work tinkering and modifying to keep the presses moving. The gas controls were likely upgraded at some point, one would hope.
I was always under the impression that these X machines were converted Lino model 1s. Darn if I can offer much reference. Linotypes limited size range was expanded beyond 11 points, with model 2 and subsequent machines, according to that 1916 S-to-M booklet.
This is getting into a far, long-ago time, when the first mass-produced machines were beginning to get used up or showing their limitations and obsolescence. Wow, this is before the first world war.
Glad to see interest in history of this early phase of the technology.