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87/1612-11 Sizing factor slide rule, 'Rotameter', cardboard, made by Fisher & Porter Co, Pennsylvania, United States of America, 1968. Click to enlarge.

A Rotameter slide rule

Made by Fischer and Porter Company in Pennsylvania, United States, North and Central America, 1968.

Sizing factor slide rule, ‘Rotameter’, cardboard, made by Fisher & Porter Co, Pennsylvania, United States of America, 1968

Cardboard and plastic rectangular slide rule with black and green print. A large cardboard rule that slides in and out of the exterior measuring rule. There are three plastic windows that make visible the inner ruler that moves through the outer rule. One side of the ruler has a liquid service which is set specifically to measure the gravity of liquid and the other side mea...

Summary

Object No.

87/1612-11

Object Statement

Sizing factor slide rule, 'Rotameter', cardboard, made by Fisher & Porter Co, Pennsylvania, United States of America, 1968

Physical Description

Sizing factor slide rule, 'Rotameter', cardboard, made by Fisher & Porter Co, Pennsylvania, United States of America, 1968

Cardboard and plastic rectangular slide rule with black and green print. A large cardboard rule that slides in and out of the exterior measuring rule. There are three plastic windows that make visible the inner ruler that moves through the outer rule. One side of the ruler has a liquid service which is set specifically to measure the gravity of liquid and the other side measures gas and its specific gravity.

Marks

'F' ROTAMETER SIZING FACTORS' and trademark name 'FISCHER AND PORTER COMPANY'. 'County Line Road

Dimensions

Height

80 mm

Cite this Object

Harvard

A Rotameter slide rule 2019, Museum of Applied Arts & Sciences, accessed 22 November 2019, <https://ma.as/74021>

Wikipedia

{{cite web |url=https://ma.as/74021 |title=A Rotameter slide rule |author=Museum of Applied Arts & Sciences |access-date=22 November 2019 |publisher=Museum of Applied Arts & Sciences, Australia}}

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