A clear glass vacuum tube with metal leads protruding from both ends. There is a shallow groove in the glass near one extremity of the…
A ring-like shape milled from a block of unfinished maple block. The top surface has a complex topography, with two opposite quadrants taller than the…
This collection of artefacts consists of two containers that hold aluminum sample slugs in their plastic containers. The slugs are small (.3 cm diameter x…
An iron metal cylindrical chamber with a rectangular base. The Chamber has a removable lid that is affixed with six knurled nuts. At the centre…
This is a set of twenty aluminum frames, each of which is approximately 10.7 cm x 5.6 cm. Each frame contains either two or three…
A magnetic metal component in the shape of a “U”. The magnet has two right angle pieces at its base. The magnet is painted olive…
This instrument consists of two parts: A square body that hold batteries and the instrument displays, and a handheld eyepiece. The two are attached by…
The Callendar and Griffiths bridge is contained in a 50cm-long, 27cm-wide and 17cm-tall wooden box with a 7cm-tall lockable and openable lid. The body of…
This object consists of an instrument covered in a glass dome, fixed to a wooden frame that is likely not original to the object. Inside…
This object is a rectangular wooden box with a flap-up lid. On the top of the box there is a metal label. On the front…