plane table alidade with trough compass
Inventory Number5156
ClassificationAlidade
Subject
Maker
Keuffel & Esser Company
1867 - 1987
Place of OriginNew York, New York, United States
Dimensionsalidade: 18 × 6.5 × 30.5 cm (7 1/16 × 2 9/16 × 12 in.)
case: 15 × 38.3 × 22 cm (5 7/8 × 15 1/16 × 8 11/16 in.)
case: 15 × 38.3 × 22 cm (5 7/8 × 15 1/16 × 8 11/16 in.)
Material
Accessoriesbubble level, trough compass
DescriptionThis is a surveying kit containing a plane table alidade and plane table trough compass in a wooden box.
The alidade has a telescopic sight with a vertical arc and bubble level. The vertical arc is read by vernier. The telescopic sight is mounted on a column wrapped in rope. The alidade bar has crossed bubble levels attached.
The trough compass is mounted on a rectangular base.
The carrying case is made of oak.
The alidade has a telescopic sight with a vertical arc and bubble level. The vertical arc is read by vernier. The telescopic sight is mounted on a column wrapped in rope. The alidade bar has crossed bubble levels attached.
The trough compass is mounted on a rectangular base.
The carrying case is made of oak.
SignedSigned "KEUFFEL & ESSER CO NEW YORK 17771"
InscribedKEUFFEL & ESSER C° New York 17771 Box: "Alidade 12 K.
Curatorial RemarksBox marked: Alidade pictoral trade label--- Keuffel & Esser Co gun metal finished, oxidized Rechecked by J. P. Collins on 14 Oct 1997
Historical AttributesFrom Harvard Dept. of Engineering Oct. 1961
W. & L. E. Gurley
Date: 1900-1906
Accessories: bubble level; plane table compass; case
Object number: 1997-1-1882
W. & L. E. Gurley
Date: 1900-1906
Accessories: dust cap; bubble level; plane table compass; needle in wood handle; case
Object number: 5155
Bausch, Lomb, Saegmuller Company
Date: 1905-1907
Accessories: bubble level, sun shade, calibration card in lid, needle
Object number: 5154
C. F. Casella & Co. Ltd.
Date: circa 1920
Accessories: case
Object number: 1989-1-0028
W. & L. E. Gurley
Accessories: plane table compass; sunshade; case.
Object number: 1997-1-1883
Buff & Berger
Date: 1871-1898
Accessories: plane table compass; sun shade; dust cap
Object number: 5153
D. Mauch
Date: before 1901
Accessories: brown leather case with painted interior; built-in bubble level, trough compass, thermometer, right-angle tool, and wrench
Object number: 5110
Spanish
Date: circa 1620
Accessories: case
Object number: DW0658
