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Mystery Tool

What Is This Tool?

by Vaughn Aubuchon

Here is an unidentified mechanical instrument.
Five photos are shown, of a mystery tool.
I would like to identify what it is, and what it was used for.

Era - 1940s (guess)
Manufacturer's Plaque -
Bacharach Industrial Instrument Co.,
Pittsburgh, PA
Origin - Germany, Switzerland

Very high quality.
Extremely smooth tool operation.
May have something to do with aircraft.

Uses a data recording drum
    with a swing-arm stylus.
Uses quality fishing line?
Miscellaneous springs.

WHAT IS IT? (please)

.

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Photo 1. (click to enlarge)
Mystery Tool Photo 1
Here is the complete instrument set in its box.
Strips of paper that go onto the drum (center, right) are in the very top, left of the box bottom.

.


Photo 2. (click to enlarge)
Mystery Tool Photo 2
Observe the company plaque.
.


Photo 3.
(click to enlarge)
Mystery Tool Photo 3
Observe the country ID.
.


Photo 4.
(click to enlarge)
Mystery Tool Photo 4
Observe the rotating drum with graph paper strip installed.
.


Photo 5.
(click to enlarge)
Mystery Tool Photo 5
Observe the circular drum, which is made to hold sheets of paper, to record the data using a stylus.
.

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How Does This Page Rank?
for the search term
what is this instrument

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Date
Page
First
Indexed
2018*
Dec. 24,
2018
Rank
Jan 1,
2019
Rank
Feb 1,
2019
Rank
Mar 1,
2019
Rank

Bing

12-19
# ?
?
?
?

Yahoo

12-19
# ?
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?
?

D. Duck Go

12-19
# ?
?
?
?

Google

12-17
# ?
?
?
?

Yandex

not yet
# ?
?
?
?

* = for - what is this tool vaughns
Uploaded - Dec. 17, 2018
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140

60

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DISCLAIMER:
All observations and opinions stated here are those of the author, and he alone.

I have sent an inquiry to Bacharach, to see if they can help. This is an antique of great precision, but who would be interested in it?
.

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Tags: what is this tool, what is this instrument?


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This Vaughns "What Is This Tool?" webpage
was last updated on 2019-02-20.