Images

Manufactured by Argus Inc, Ann Arbor, Michigan. This projector was used for 35mm slides.
Object ID: USGS-000194

Manufactured by WILD Heerbrugg, Switzerland. This instrument was made in the late 1950s- early 1960s and was in service until the late 1970s. It includes its original air-tight and water-tight steel case, as well as its shipping case.
Object ID: USGS-000198

Equipped with a Summaron Lens, 1950s. Manufactured in Leitz, Germany.
Object ID: USGS-000277

With original case.
Object ID: USGS-000287

This type of altimeter is a precision aneroid barometer that translates barometric (air) pressure into altitude. Temperature compensation calculations, as well as calculations to account for diurnal barometric change need to be recorded during use.

Manufactured by Lamotte Chemical Products Company, Chestertown, Maryland sometime after 1930.
Object ID: USGS-000249

This is a first aid kit used in fieldwork in the west. The kit is likely an army surplus item. The kit includes first aid materials for snake bites as well as more common ailments.
Object ID: USGS-000057

The kit contains over 600 pieces and was used at the Bird Banding Laboratory at the Patuxent Wildlife Research Center, Maryland.
Object ID: USGS-000219

This instrument was manufactured by Spencer, Browning & Rust, London. A sextant is used for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical position or for other navigational, surveying, or astronomical applications.

Manufactured by E.H. Sargent and Company. The set includes the oven, ceramic crucibles, a mortar & pestle, lead tape and stirrers.
Object ID: USGS-000233

Constructed of maple with cast bronze Johnson Head, leather strap, cast steel shoes and attached hooks (probably not original). This tripod is about 50-1/2" in height (closed) and is nearly identical to another tripod in the USGS Collection (USGS-492).

Used in U.S. Geological Survey field work.
Object ID: USGS-000209

Also known as a drawing set, the instruments were used in cartographic work. The instruments include ruling pens and ring head dividers. This set was manufactured by Eugene Dietzgen & Company, Chicago and New York. The set was used by the U.S. Geological Survey Topographic Branch in the early decades of the 20th Century.
Object ID: USGS-000173

Electron & Nuclear Counter, Model #ARA35-1, Type DW-51. Manufactured by Cyclotron Specialties Company. Additional information would be appreciated.
Object ID: USGS-000262

This instrument was manufactured by Keuffel & Esser Company, New York & New Jersey, serial #2300. Stadia Hand Transits are made of up a small telescope with cross and stadia hairs and a circular box which serves as either a magnetic compass or clinometer. The company sold these instruments from 1910 until the 1930s.
Object ID: USGS-000349

type 12" K-17C
Object ID: USGS-000290

This is a set of food preparation tools used in the field. Included in the mess kit are cups, pans, interchangeable lids and handles, a strainer, a coffeepot and a hot water pot. This kit was used by field scientists in the west.
Object ID: USGS-000135-136, 138-144, 146 & 148-150

This is Arnold Hague's saddle. The saddle is likely about 120 years old and in the western style with a sheepskin liner. Arnold Hague used this saddle on his expeditions in the west.
Object ID: USGS-000015

This desk, used in the field, was originally made for the US Army. The drawers all pull into the desk and the writing surface of the desk then folds up for transport. Often, scientists took advantage of surplus items for their field work.
Object ID: USGS-000017

This is one of many heavy, canvas and leather panniers. They were used by Arnold Hague in the late 1800s and are no longer made or used. Many are imprinted with "US Geol. Sur."
Object ID: USGS-000037

This canvas cinch was developed by Dr. J. D. Love. This type of cinch was used to protect sores from developing on animals that carried surveying or camp equipment for field scientists.
Object ID: USGS-000039