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Fisher Control Valve Sizing Rule

Technical Information

Catalogue No: C1679
Category: General Purpose
Object Type: Indicator/Instrument
Object Name: Fisher Control Valve Sizing Rule
Part No: None
Serial No: none
Manufacturer: Pickett & Eckel
Division: Unknown
Platform(s):
Year of Manufacture: Unknown
Dimensions:
Width (mm):
310 
Height (mm):
45 
Depth (mm):
Weight (g):
77 
Location: Main Store
Inscription(s):

[side 1]
Fisher Control Valve Sizing Rule
Fisher Copyright 1954
―――――――――――
[side 2]
Fisher Governor Company, Marshalltown, Iowa, USA.

Notes:

One of two specialist slide rules donated by Mr. John Bradley, formerly of Fisher Control Valves. The rule comes in a leather case marked Pickett, which is the manufacturer Pickett & Eckel Inc. It was used in the period 1950-1980 in the design and sizing of Oil Control Valves.
Each photo shows both sides of the elements of this object.This Slide Rule is in excellent condition with its original box and data sheet.

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