A polarizing filter is mounted in a dial that may be rotated using a small protruding brass handle. Markings indicating the orientation of the filter…
The pipe is a wooden rectangular prism with a square base. On one of the bases, there is a wooden mouthpiece which leads into the…
5 differently shaped glass tubes are mounted on a black painted wooden base.Tubes are adhered to a metal component which is screwed into the wooden…
This series of 66 tuning forks set atop wooden resonant boxes presents a range of pitches from a frequency of 512 to 1024. Each resonant…
This long prismatic pipe with a round spout has five wooden levers that cover circular holes in the pipes body. A long wooden slider with…
This piece resembles a wooden organ pipe with the back cut away. A round spout protrudes from one end. A slat of wood has been…
This prismatic wooden pipe has three black wooden spouts evenly spaced along one side of its body. On another side a rectangular slat of wood…
These two wooden pipes, one large and one small, are shaped into triangular prisms . One end has a round spout; the other is closed.…
This piece consists of a slat of wood attached to a round spout protruding from the base. This spout opens into a long glass tube…
These three organ pipes are all the same length and same volume, with a spout at one end and open at the other. 2013.ph.621.1 is…