drafting aid
Date1890-1930
Inventory Number1996-1-0448
ClassificationDrafting Aid
Subject
Maker
American
?
Cultural Region
Dimensions5 x 51 x 15 cm (1 15/16 x 20 1/16 x 5 7/8 in.)
blue board box: 14.6 × 43.2 cm (5 3/4 × 17 in.)
blue board box: 14.6 × 43.2 cm (5 3/4 × 17 in.)
Material
DescriptionThe instrument consists of two long square wooden bars and a short square wooden cross-bar that connects them at one end. One long bar is fixed to the short bar in an L shape. The other bar is attached by a brass pivot with a wing nut that can be loosened, permitting rotation, and fixed to hold the bar at a desired angle. The opposite end of the pivoting arm has a black metal plate attached to the inside face with three screws that extends beyond the end of the bar to a hooked end. The other end of the fixed bar has a shorter black metal plate attached with two screws that extends slightly beyond the end of the bar to a point. The end of both wooden bars is angled.
Signedunsigned
Curatorial RemarksFrom closet in Perkins basement where transits from Engineering School were stored.
FunctionThis instrument is likely some kind of drafting aid, but its specific function is unknown.
French
Date: circa 1880
Accessories: protecting case with glass window
Object number: DW0095
Fabre et Cie
Date: circa 1856
Object number: 5470
Elliott Brothers
Date: circa 1860
Accessories: original mahogany storage case
trade card from William D. Hocker, Inc
two original curatorial cards
Object number: DW0518
Gebrüder Haff
Date: circa 1940
Accessories: card with instrument info and conversion table; photocopy of letter from Dr. Joachim Fischer to William J.H. Andrewes, dated 12 May 1997; photocopy of extract from Dr. Joachim Fischer's inventory of integrating instruments included with the letter
Object number: 1997-1-0444
Gebrüder Haff
Date: circa 1940
Accessories: card with instrument information and conversion table
Object number: 1997-1-0445
Gebrüder Haff
Date: circa 1940
Accessories: case
Object number: 1997-1-0446
Charles Thurber
Date: circa 1860
Accessories: wooden framed, glass paned case; original and photocopied letter from the Massachusetts Historical Society Director, Stephen T. Riley to David P. Wheatland dated June 28, 1961regarding permanent loan of the pantograph (in instrument file); original and photocopied hand-written letter from David P. Wheatland to Stephen T. Riley regarding permanent loan of the pantorgraph dated March 16, 1962 (in instrument file); original and photocopied hand written letter from David P. Wheatland to Stephen T. Riley regarding the pantograph dated June 23 1961 (in instrument file)
Object number: 1998-1-1617
Gottlieb Coradi
Date: circa 1920
Accessories: pieces of the front of black leather case with clasps; lid of case with paper data sheet; pieces of black leather case lined with green velvet
Object number: 2004-1-0345
Fabre et Cie
Date: circa 1856
Object number: 5468