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METTLER »H15« LAB SCALE
Mechanical Binary-Coded-Decimal Balance Scale
INSIDE VIEWS & Restoration Remarks
To REMOVE COVER: Pull-Out KNOBS + Pull-Out SILVER Release-LEVERS
Pictures taken after intensive Cleaning Procedure ...
R E M A R K S to R E S T O R A T I O N ...
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!! Make sure, that there are NO FRICTIONS !!
Aligning Air Brake (under black lids) & Weights / Weight-Levers, a.s.o. ...
The printed HAIRLINE on the Milky-Glass vanished.
Now the shadow of a THIN WIRE does it well ...
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The LIGHT from the LAMP goes through the "SCALING-Unit" and has to meet the
Milky-Glass-SCREEN via MIRROR & "FineTUNER". Adjusted units. Make sure
that "ZERO" is in the "FineTUNER"-Range: A Mini-ALUMINUM-WEIGHT was added.
The Main-Knob (center) was broken and had to be glued. The right Knob, the
Condenser/ZERO-Knob was missing and had to be home-made.
After CALIBRATION & VERIFICATION, the SCALE is now READY TO USE ...