7 ft Demonstration Pickett Trainer Slide Rule Advertising Sign Display Teaching

Description

7 ft Demonstration Pickett Trainer Slide Rule Advertising Sign Display Teaching
Wonderful vintage collectable! Engineering art!
Working giant 7 foot slide rule trade sign made by Pickett Slide Rule Co.
Printed on both sides.
Has great eye hooks for hanging.
Measures 7 feet or 84” long by 13” tall including hooks.
Slide rule model 1010 T made by Pickett.
Classroom size.
From the very cool website sliderulemusem :
"Pickett Trainers
Pickett 4ft and 7ft slide rules are the most abundant and varied that one can find. They were made of plywood with sheet aluminum bars holding the stock together. Pickett gave one to every school that ordered 24 standard size slide rules, consequently doing a great job of placing free advertising in every school in America."
Pickett Teaching (Classroom size) Slide Rules
Go to Pickett Demonstration and Teaching Slide Rules
Pickett manufactured large slide rules for mounting in class rooms. They came in 4 foot and 7 foot versions. The stock and slide are of plywood (tounge and grooved), the end brackets are sheet aluminum. The cursor consisted of pine with aluminum paint, with a clear plastic lens. Both sizes came with metal eye loops for hanging from a wall or ceiling."
~It says there is even one in the Computer History Museum - CHM - in Mountain View, CA
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Thank you for your interest in this auction. I am not a business or a professional ebay seller. I am simply a person with treasures I am ready to part with. I will do my best to describe them as accurately as possible. All of my items are used/vintage and may show signs of wear. Please refer to the pictures for the actual condition or ask questions.
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Vintage etched solid sheet brass copy of the 16th century mathematical scientific instrument
Horary Quadrant of the Della Volpaia family Florence 1570. The original resides in the collection of the Galileo Museum, Istituto di Storia della Scienza, Florence.
The quadrant, is set for latitude 43° (corresponding to the belt including Tuscany, Umbria, and the northern part of Lazio). It includes a shadow square, hour lines and a "Tabula Solis motus" (Table of the motion of the Sun) indicating the Sun's entrance into the zodiac signs.
This exact copy (except that the terms "Vmbra Retta / Vmbra Versa flanking the square  & some shading on the ribbon have been omitted) measures 13" by 13". Unmarked. From the estate of prominent designer Paul MacAlister (1901-1990) who was very interested in antique scientific instruments.
In 1974 he designed a cardboard kit to recreate an astrolabe, an astronomical instrument with a history going back to ancient times. The kit was published as part of a book by Roderick S. Webster titled “The Astrolabe. Some notes on its History, Construction and Use”. Probably made in the mid 20th century. I have been unable to find another like it except for the original.
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