Browse Items (52 total)

Physical Description: The Keuffel and Esser polar planimeter is composed of two individual pieces. One being the main body, and the other a tracer arm. Both sections are comprised of tarnished silver square rods with black markings indicating…

Physical DescriptionThere are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The largest mortar measures three centimeters in diameter at the base, while the matching pestle measures five centimeters in length. This mortar and…

Physical Description There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The largest mortar measures three centimeters in diameter at the base, while the matching pestle measures five centimeters in length. This mortar and…

Physical Description There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The second largest mortar measures two and one half centimeters in diameter at the base, while the matching pestle measures five centimeters in…

Physical Description There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The smallest mortar measures two centimeters in diameter at the base, while the matching pestle measures four centimeters in length. This mortar and…

Physical Description:The Thompson Improved Steam Indicator comes in a dark stained wooden box   285mm wide, 207mm deep, and 240mm tall.  It opens about halfway up its height to reveal a number of objects.  The box, as well as various components, are…

Physical Description: A rectangular oak case with glass panels stands on adjustable metal feet. The front page of the case is internally counterweighted to be lifted vertically by a metal handle. Inside the case is a brass beam balance with two…

Physical Description: This machine consists of an iron base and an aluminum bowl that is mounted on the base. The bowl consists of a stationary 11” diameter outer bowl and a 9.75” diameter inner bowl that rotates. The inner bowl has a circular…

Physical DescriptionThe two Calibration Exciters are mounted to a sturdy cement wall by 4 steel screws at each corner of the base. The base is comprised of a non-magnetic metal alloy that has a square plate flush against the wall and two…

Physical Description      The scale’s frame is a rectangular prism composed of a russet-colored wood, with some sun bleaching occurring to its front face. Three tarnished metal feet, one on each front corner and one placed in the middle of the rear…