Federal Products Corporation Model 28A Dial Indicator, circa 1928

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Artifact Overview

Dial indicators provide accurate measurements of parts used in a number of manufacturing processes. The large numbers on the indicator's face make small, imperceptible dimensions visible. Operators compare these measurements against a standard and make corrections if any deviation is found. The Federal Products Corporation made a variety of precise measuring devices in the 20th century.

Artifact Details

Artifact

Indicator

Date Made

circa 1928

Location

Not on exhibit to the public.

Object ID

73.172.13

Credit

From the Collections of The Henry Ford.

Material

Steel
Paper (Fiber product)
Plastic
Brass (Alloy)
Cardboard

Color

Silver (Color)
Black (Color)
White (Color)
Green

Dimensions

Height: 2.5 in (in box)
Width: 3.75 in (in box)
Length: 3 in (in box)

Inscriptions

on dial: FEDERAL / MINUS / PLUS / 1/1000 on back: MODEL 28A / 99792 on box: FEDERAL / MANUFACTURERS OF THE / MIRACLE / MOVEMENT / DIAL INDICATOR / FEDERAL PRODUCTS CORPORATION / Subsidiary of Esterline Corporation / PROVIDENCE, RHODE ISLAND 02901 / ESTERLINE on side of box: FP / PRECISION / MEASURING / INSTRUMENTS
Federal Products Corporation Model 28A Dial Indicator, circa 1928