🔔 Up for Sale

Offered here is a vintage Smiths mechanical contact tachometer kit in its original fitted case, a precision mid-century machinist / industrial measuring instrument used for checking rotational speed and surface speed. The dial is marked SMITHS and the instrument features a multi-range selector for 0–500, 0–5,000, and 0–50,000 R.P.M..

This set includes the tachometer head, original case, surface wheel, and multiple interchangeable contact tips / attachments, making it an appealing and useful piece for machinists, mechanics, tool collectors, and industrial display. The fitted case exterior is marked SMITHS and the unit retains a distributor plate for Clarence J. Marx Co., Cleveland, Ohio.

A sharp and increasingly desirable analog pre-digital RPM gauge set with strong crossover appeal for machine shop use, restoration, and display.

📋 Item Overview

• Vintage Smiths mechanical contact tachometer kit
• Original fitted Smiths case
• Precision analog machinist / industrial measuring instrument
• Used to measure rotational speed (RPM) and surface speed
• Multi-range selector for 0–500, 0–5,000, and 0–50,000 R.P.M.
• Includes tachometer head, surface wheel, and multiple interchangeable contact tips / attachments
• Marked SMITHS with distributor plate for Clarence J. Marx Co., Cleveland, Ohio
• Strong appeal for machinists, tool collectors, industrial display, and restoration
• A desirable pre-digital precision shop tool

📐 Dimensions

• Dial height: 5"
• Dial width: 2.75"
• Dial depth: 1.5"
• Case length: 7.5"
• Case width: 4.25"
• Case thickness: 2.5"
• Case weight with dial: 2 lbs.

🕰 Historical Context

Portable mechanical tachometer sets like this were standard equipment in machine shops, repair facilities, and industrial settings before the widespread adoption of digital measuring tools. Smiths, a respected British maker of precision instruments, produced tachometers and gauges used across automotive, industrial, and engineering applications. Complete cased examples with their original attachments are increasingly sought after today for both practical use, collecting, and industrial display.

📌 Condition

Excellent near new vintage condition overall with expected age. Dial face remains readable and the set presents well in its original fitted case. Attachments shown are included. Additional accessories included. Please see pictures for condition.

📦 Shipping

Perfectly packed, insured, and tracked via USPS.

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Guy