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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 ...

          

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 ...

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© C.HAMANN            http://public.BHT-Berlin.de/hamann             08/25/11