Lot 0642

8 Circular Slide Rules, incl. Dietzgen 1798

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2 Circular Slide Rules, incl. Eckel Engineer's & RotaRule 510: 1st item: Eckel Dial-O-Matic Engineer's or Engineer's Log Log slide rule, manufactured by Lithocalculator Company, Arcadia, California, circa 1955. Comprised of two celluloid-coated aluminum disks, on

20222 Circular Slide Rules, incl. Eckel Engineer's & RotaRule 510See Sold Price

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5 Drafting / Mathematical Tools: Includes circular concise slide rule, Pickett slide rule, technical supply co drafting set, magnifying glass and 8" triangle template. LR IMPORTANT: Before bidding, please read the terms and condition

20225 Drafting / Mathematical ToolsSee Sold Price

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Gentleman's Sterling Desk & Dressing Articles: 1) Circular pin tray, 4", 1) money clip, 1"x2.25", 1) letter opener, 6", 1) hollow sterling handled shoe horn with plated slide, 8", 1) circular stamp dispensing box, 1.25"x2", 2) oval brushes, 5"x3",

2016Gentleman's Sterling Desk & Dressing ArticlesSee Sold Price

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LOT INCL. A G DAYS SLIDE FOUNTAIN PEN: LOT INCL. A G DAYS SLIDE FOUNTAIN PEN W/ 2 VICTORIAN GLASS DIP PENS, 19TH C.

2017LOT INCL. A G DAYS SLIDE FOUNTAIN PENSee Sold Price

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2 wooden box/crates incl canted make-do desk - 9" x 9: 3 wooden box/crates incl canted make-do desk - 9" x 9 1/4" x 6 1/4"& slide top box (missing slide top) in paint w 1840 dec - 12 1/2" x8"x8"

20212 wooden box/crates incl canted make-do desk - 9" x 9See Sold Price

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A CHINESE CELADON CIRCULAR INKSTONE WITH ZITAN COVER: Of circular form, the side incised with a band of geometric pattern, the underside carved with four character mark to the center enclosed by a band of key-fret pattern further surrounded by a band of

2018A CHINESE CELADON CIRCULAR INKSTONE WITH ZITAN COVERSee Sold Price

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CIRCULAR JADE TABLE SCREEN: Chinese circular jade carved to one side two magpie within flowering peonies and chrysanthemum growing amidst stylized rockwork , the reverse gilt painting depicted pavilions, within waterside landsca

2016CIRCULAR JADE TABLE SCREENSee Sold Price

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A CIRCULAR 'RABBIT' INKSTONE WITH INSCRIPTION: The circular inkstone carved in relief depicting a rabbit turned looking at the moon, the outer border finely incised with regular script inscription and a seal mark, the side further inscribed with i

2017A CIRCULAR 'RABBIT' INKSTONE WITH INSCRIPTIONSee Sold Price

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Paperweight Lot, incl; Rosenfeld Roses '84, Victor Trabucco Nature in Ice 7/50, Gordon Smith Bird: Paperweight Lot, incl; Rosenfeld Roses '84, Victor Trabucco Nature in Ice 7/50, Gordon Smith Bird of Paradise, Paul Stankard Bouquet of Flowers #A106,

2022Paperweight Lot, incl; Rosenfeld Roses '84, Victor Trabucco Nature in Ice 7/50, Gordon Smith BirdSee Sold Price

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Chinese Famille Rose Circular Box with Cover.: Chinese Famille Rose Circular Box with Cover. Of circular form, the domed cover decorated with birds perched on blossoming prunus trees, the box similarly decorated, all reserved on a yellow-enameled

2021Chinese Famille Rose Circular Box with Cover.See Sold Price

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Paperweight Lot, incl; Baccarat Flowers & Butterflies, Canpiness Baroque White Friars, Gordon Smith: Paperweight Lot, incl; Baccarat Flowers & Butterflies, Canpiness Baroque White Friars, Gordon Smith Wild Strawberries, Ray Banford Basket of Flowers, Kazlan Flower on Pedestal, St. Louis Yellow Rose w

2022Paperweight Lot, incl; Baccarat Flowers & Butterflies, Canpiness Baroque White Friars, Gordon SmithSee Sold Price

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CAST BRONZE CIRCULAR BOX AND COVER QING DYNASTY OR: CAST BRONZE CIRCULAR BOX AND COVER QING DYNASTY OR LATER æ¸…æˆ–ä»¥å¾Œ éŠ…é‘„é˜¿æ‹‰ä¼¯æ–‡åœ“è“‹ç›’ cast on top of the cover against grainy ground wi

2021CAST BRONZE CIRCULAR BOX AND COVER QING DYNASTY ORSee Sold Price

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Roycroft 5 pc Lot incl Tray, Inkwells, Etc: Roycroft 5 pc Lot incl Tray, Inkwells, Etc -

2021Roycroft 5 pc Lot incl Tray, Inkwells, EtcSee Sold Price

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CHINESE BLUE AND WHITE PORCELAIN BRUSH POT: Kangxi period. Circular and decorated all around with figures in outdoor pavilions. Height 6 in. Diameter 7.5 in. (Condition: There is some pitting throughout, small black smooth spots, otherwise good

2022CHINESE BLUE AND WHITE PORCELAIN BRUSH POTSee Sold Price

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3 Pieces Antique Chinese Porcelain. Bud Vase Ht. 5: 3 Pieces Antique Chinese Porcelain. Bud Vase Ht. 5 5/8", Brush Pot Ht. 4 5/8", Circular Box Ht. 2 3/8" Condition: the bud vase has had the small handles repaired.

20163 Pieces Antique Chinese Porcelain. Bud Vase Ht. 5See Sold Price

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An extensive collection of Chinese Canton famille rose porcelain, 19th C.: Full title: An extensive collection of Chinese Canton famille rose porcelain, 19th C. Description: L.: 37,5 cm – H.: 17 cm (the rechaud incl. the cover) Dia.: 37 cm (the dish) Dim.: 19 x 9,5 x 7,5 c

2023An extensive collection of Chinese Canton famille rose porcelain, 19th C.See Sold Price

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8 Circular Slide Rules, incl. Dietzgen 1798

Item Details

Description

Eight (8) circular slide rulers, including Dietzgen 1798 Dempster RotaRule Model A, various Gilson models, and more. 1st item: Dietzgen 1798 Dempster RotaRule Model A 50-Inch Pocket Slide Ruler, designed and manufactured by Jack Dempster, Berkeley, California, sold by Eugene Dietzgen Company, Distributors, Chicago, New York. Comprised of two-sided round white plastic, with a transparent yellow plastic arm and scales labeled in red. Serial number 218 with maker's marks and model numbers, front, additional maker's marks, patent numbers and dated "1928", back. Includes a brown suede case with two back straps. Slide rule - 5 1/8" dia., with arm - 6" dia. Case - 5 5/8" H x 5 5/8" W x 1/4" D. 2nd item: Dietzgen 1797B Gilson Binary Slide Rule, made by Gilson Slide Rule Company, Stuart, Florida, sold by Eugene Dietzgen Company, Distributors, Chicago, New York. Comprised of a two-sided enamel coated aluminum circular disc with alternating green and yellow stripes with three transparent yellow plastic arms, two to the front, one to the back, pivoted at the center with a metal nut and bolt with metal washers on both front and back. Maker's marks front and back, dated "1940", front. Includes a red cloth and vinyl case. Slide rule - 8 3/8" dia, with longest arm - 9 1/4" dia. Case - 8 7/8" H x 9 1/2" W x 1/4" D. 3rd item: Gilson Binary Slide Rule, manufactured by Gilson Slide Rule Company, Stuart, Florida. Comprised of a two-sided white plastic disc with three transparent yellow plastic arms, two to the front, one to the back, pivoted at the center with a metal nut and bolt with metal washers on both front and back. Maker's marks front and back, dated "1940" front, dated "1931" back. Includes a tan cloth and vinyl case. Slide rule - 8 1/4" dia., with longest arm - 9" dia. 4th item: Gilson Midget Circular Slide Rule, manufactured by Gilson Slide Rule Company, Niles, Michigan. Comprised of a two-sided white plastic disc with two transparent, pivoting green plastic arms to front, pivoted at the center with a metal nut and bolt with metal washers on both front and back. Maker's marks and dated "1919", front. Includes a brown leather case. Slide rule - 4" dia., with longest arm - 4 1/2" dia. 5th item: Gilson/Tavella Midget Slide Rule, manufactured by Gilson Slide Rule Company, Stuart, Florida, and Tavella Sales Company, New York. Comprised of a two-sided white plastic disc with three transparent yellow plastic arms, two to the front, one to the back, pivoted at the center with a metal nut and bolt with metal washers on both front and back. Maker's marks front and back, dated "1936" front, dated "1931" back. Includes a black cloth and vinyl case and instruction manual housed in a black faux leather folio case with blindstamp reading "Ford" to front cover. Slide rule - 4 1/4" dia., with longest arm - 4 1/2" dia. Cases range in size from 4 3/4" H x 5" W x 3/8" D to 7" H x 5" W x 1/2" D. 6th-7th items: Two (2) Gilson Atlas Slide Rules, designed by George W. Richardson, manufactured by the Gilson Slide Rule Company, Stuart, Florida. Both comprised of two-sided painted aluminum, with transparent yellow plastic arms, one with two to the front and two to the back and one with two to the front, one to the back, pivoted at the center with a metal nut and bolt with metal washers on both front and back. Both with maker's marks, front, one dated "1931" back. Includes one blue cloth and vinyl case. Slide rules - 8 1/4" dia., with longest arm - 9" dia. Case - 8 3/4" H x 9 1/2" W x 1/8" D. 8th item: Universal Trigonometric Combination Semi-Circular Slide Rule-Protractor Sine Table Angle Formula Finder, designed and patented by George R. Flynn, Lowell, Massachusetts, manufactured by the Whitehead & Hoag Company, Newark, New Jersey. Comprised of two off white celluloid semi-circular and circular discs with a transparent light yellow celluloid cursor, held together by a silver colored fastener. Maker's marks front and back. Includes a brown leather case with gold lettering reading "Universal Trigonometric Combination" and a snap closure. Slide rule - 6" H x 5 1/2" W. Case - 6 1/2" H x 6" W x 1/4" D. All items second quarter/mid 20th century. Provenance: Private West Tennessee Collection.

Condition

1st item: Wear to case. 2nd item: Wear to case. 3rd item: Wear, ink inscription from previous owner to case. 4th item: Areas of loss to edge of slide rule. Rust to nut and bolt. Back arm is missing. Wear to case. 5th item: Smallest case with wear and ink inscription from previous owner. 6th-7th items: Both with wear, loss of paint. 8th item: Wear, ink inscription from previous owner to case.