Heres a picture of a replication (not mine) of an upper tube holder
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argument 100:16:: 0.75:<val>
ratio 0.12
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AI
likely <val>?
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.125
fuzzy matrix<dim>mildim
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This is interpreted as 1/8 inch slots being cut if 0.75 ODOT dim used
UTH
5.0 inches in diameter
0.75 OD stainless outer tubes
2.0 circulation cutout diameter
1.5 dimension of outer ring 1.5+2.0+1.5= 5.0
Holes spaced every 40 degrees
