Dating keuffel drafting tools

20-Apr-2020 16:33

The set contains a range of seven templates (two are additions) for different sizes of lettering, pens and handle, scriber and stand. It permits variation in height of 60% to 150% and slant from 0 to 45 degrees forward for the characters on the template used. The set was sold with just three stencils and three pens together with the usual adjustable scriber & stand, pen holder, lead clutch, etc.

It is complete with outer card case and some leaflets. It is complete with green card box and instructions. Spaces were provided for additional stencils and pens.

The only restriction I really want is, no alterations, or elisions which change [my] intentions." To this I would add that the definitive, complete, and up-to-date Web copy of this work is to be found in the following location; copies at other sites might be dated, incomplete, or altered: This is a simple, monolothic, and validated HTML file, 1.7MB in size, representing over 500 printed pages, self-contained, fully searchable, and displayable by any browser.

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These instruments were introduced during World War I when German instruments could no longer be imported to the USA and reintroduced during World War II.Keuffel & Esser graph paper is engineering grid paper printed in green, orange, and blue inks.The K&E paper is printed on either a high quality bond paper or tracing vellum in sizes 8 ½” x 11” or 11” x 16 ½”. The grid patterns available are metric, inch, ½ inch logarithmic, semi logarithmic, and polar.The addresses on the label are those for about 1900 but the rule and box appear never to have been used.Inset rubber push pieces enable the rule to be held without slipping whilst the pivoting arrangement allows the arm being moved to be held clear of the paper or chart.

These instruments were introduced during World War I when German instruments could no longer be imported to the USA and reintroduced during World War II.

Keuffel & Esser graph paper is engineering grid paper printed in green, orange, and blue inks.

The K&E paper is printed on either a high quality bond paper or tracing vellum in sizes 8 ½” x 11” or 11” x 16 ½”. The grid patterns available are metric, inch, ½ inch logarithmic, semi logarithmic, and polar.

The addresses on the label are those for about 1900 but the rule and box appear never to have been used.

Inset rubber push pieces enable the rule to be held without slipping whilst the pivoting arrangement allows the arm being moved to be held clear of the paper or chart.

I decided to continue the material more or less seamlessly, and to call the result a second edition of COMPUTER rather than a separate book. There are no pictures this time, although I have many more to display. Errors that I am aware of in the first edition have been corrected, although I am sure there are others, and not a few in the new material.