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I found an old Loos gauge in the boat I just got and am looking for some help with it. It''s identified only as a "Model B". I also found a very yellow page from Loos describing a #90 for 3/16 to 9/32 and a #91 for 5/32. This "model B" has a scale on it with 4 columns. Here I''m guessing that they represent 3/16, 7/32, 1/4 & 9/32. So that''s question #1. #2 is that the pointer is static at about "22" on the readout scale. Is that somewhere close to being calibrated? If it''s way off I guess it''s still useful to see that the shrouds are reasonably even.
Thanks to anyone that can help,
Tom
 

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Loos gauge

The model 90 does 3/16 to 9/32 ( I think.) The needle should rest at the far left of the gauge when not in use. You pull it to the black line and read the tension.
 

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Reading the Loos Gauge

After reading this question again I realize the dilemma. At rest the gauge reads 21 where the pointer meets the reading scale on mine. The mistake here is that the reading is taken where the shroud centers on the scale not the pointer. The pointer is to be drawn back to the black line which will pull the shroud to a measurement number. That is where the reading is taken.

I make this posting only for those in the future who have the same question but can't seem to find the answer.
 
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