spare dip needles
Dateearly 20th-mid 20th Century
Inventory Number1998-1-1428
ClassificationDip Needles
Subject
Maker
American
?
Cultural Region
Dimensionslarger: 0.6 × 24.3 × 2.6 cm (1/4 × 9 9/16 × 1 in.)
container: 1.9 × 26.9 × 3.4 cm (3/4 × 10 9/16 × 1 5/16 in.)
container: 1.9 × 26.9 × 3.4 cm (3/4 × 10 9/16 × 1 5/16 in.)
Material
Accessorieswooden box to hold dip needles
DescriptionTwo rectangular, metal dip needles stored in a wooden box.
Signedunsigned
Inscribedsmall N near top of needles
Curatorial RemarksBox needs repair.
FunctionThese are needles used to denote points on a dip. Dip is used for instructional demonstration of the direction of inclination of the Earth's magnetic field.
Edward Nairne
Date: 1765
Accessories: Small magnifying glass on end of box to assist in aligning the dip needle.
Object number: 0026
American
Date: late 19th-early 20th Century
Accessories: 2 needles in small box within storage container
Object number: 1998-1-1153
Henri Gambey
Date: circa 1835
Accessories: This needle is an accessory for 1990-2-0001a.
Object number: 1990-2-0001b
Barthélémy Urbain Bianchi
Date: ca. 1840
Accessories: housed in pine box
Object number: 5212
Kelvin Bottomley & Baird Ltd.
Date: circa 1910
Accessories: mahogany case
HUSUN catalogue (in instrument file)
Object number: 5335c
W. & L. E. Gurley
Date: 1950
Accessories: leather carrying pouch
Object number: 1996-1-0638
Henri Gambey
Date: circa 1835
Accessories: cover (square wood frame with glass panes); spare needle in separate box stamped "8-22" (Inv # 1990-2-0001b)
Object number: 1990-2-0001a
W. & L. E. Gurley
Date: circa 1900
Accessories: covers on each side
Object number: DW0540
Henry Hughes & Son, Ltd.
Date: 1900-1915
Accessories: instruction manual for instrument is in box of disassembled parts.
Object number: DW0141n