Joseph Marples Trial 1 Mortice Gauge - No. T14

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joseph marples trial 1 mortice gauge
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The Verdict

Marples 'Trial 1' Mortice Gauge Review By: I.Ball

Manufacturer: Joseph Marples

Tool Type: Marking, Mortice Gauge / Mortise Gauge

Tool Range: Trial 1

Model No: T14

The Joseph Marples 'Trial 1' marking and mortice gauge review will refer to the tool as a 'mortice gauge', also spelt as 'mortise gauge' in the US and Canada.

The Joseph Marples 'Trial 1' mortice gauges are stunning tools based upon traditional mortice gauges.

They are tools which are at the top of their genre with not many new and old gauges surpassing the quality of this tool.

I have heard on numerous occasions people who have seen the tool in the flesh say "the tool is so beautiful it is almost like an ornament".

joseph marples trial 1 mortice gauge

The 'Trial 1' mortice gauges are made from a rich Sonokeeling Rosewood with a blend of bright brass parts.

The brass parts contrast beautifully with the Rosewood to give the stunning look while also having functional uses.

The top of the head is surfaced with a thick brass plate which really makes this tool stand out from other mortice gauges.

The head also has a decorative brass inlay in keeping with old Marples mortice gauges and the Joseph Marples makers mark along with the 'Trial 1' brand logo.

The head is secured and released with a brass knurled nut. There is also a version where the head is locked/released with the use of a screw.

The 'Trial 1' mortice gauge has one sharp marking pin at the rear for single line markings and two pins at the front of the gauge for dual line markings.

joseph marples trial 1 mortice gauge

The distance between the two pins can be adjusted to the required distance by turning the brass thumb screw at the base of the Rosewood stem.

Note: ensure to loosen the stock head prior to making adjustments to avoid damage to the internal thread and other parts of the tool.

The Joseph Marples 'Trial 1' mortice gauges form part of a range of 'Trial 1' tools which can be purchased individually or as a box-set.

The Joseph Marples 'Trial 1' range is based on old Joseph Marples tool designs from about the 1940's which also went by the 'Trial 1' mark.

Joseph Marples Ltd advertise the Rosewood used as coming from managed, sustainable sources.

The Joseph Marples tools are made in the 'York Works' factory in Sheffield, England. The current 'York Works' factory was purpose built in 2001.

Note: there was also an early Joseph Marples factory called the 'York Works'.

joseph marples trial 1 mortice gauge

The Marples name has a long history in tool making. Different factions of the Marples name have been synonomous with good hand tools for many, many, many years.

Joseph Marples Ltd continues the family line of Joseph Marples which has a lineage back to the 1840's.

The tools made today combine modern technology and traditional manufacturing methods to produce traditional tools.

For more information on the history of Joseph Marples go to the Joseph Marples history page.

Cautions / Notes

* Important: please refer to the 'disclaimer' at the foot of this review.
* Wearing safety clothing and eye protection is usually a good idea to help protect against injury.

- This tool has sharp parts, take suitable precautions when using/handling/storing the tool to prevent injury.

- Failure to loosen parts when making adjustments can result in damage to the tool. Never force a part to move.

- Overtightening parts can cause damage to the tool.


Manufactured Dates

2002 - Today


Gauge Also Known As

Brass Marples Marking Gauge
Brass Marples Mortise Gauge
Joseph Marples Mortise Gauge
Joseph Marples Mortise Marking Tool
Tool For Marking Mortices / Mortises


- Joseph Marples Ltd


(i) Please always refer to and follow the manufacturer's instructions / guidelines / safety notices / cautions and similar notices as the manufacturer's instructions may contain important information on your safety and the good health of your tool, something to which this review's scope does not guarantee to extend to.
(ii) This review may give warning(s) / advisory notes / cautions / guidelines given in good faith however any such information should not be solely relied upon and should not be seen as the exhaustive list of warnings / advisory notes / cautions / guidelines. Refer to disclaimer note (i) for information on safety, as well as the good health of your tool. In addition refer to good safety practices for the safety of you and others. Refer to good practices for the good health of your tool and property.
(iii) The details here are given in good faith, there is scope for error and shouldn't be fully relied upon, please be aware the details may also become out of date due to manufacturer changes to the product, please confirm any details for yourself by performing additional research from reliable sources.

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