Browse Items (327 total)

Bristol's, Bristol's Recording Volt Meter, www.lowell.eduwww.lowell.edu

Bristol's recording volt meter

Thermograph

A thermometer that produces a continuous record of a fluctuating temperature.

Microbarograph

Instrument used to continuously record very small changes in atmospheric pressure.

Zeiss, Negative Lens

Negative lens made for use with 24" refractor for planet photography - 5 9/16" ef

Beamsplitter

Beamsplitter w/variable density filter and mounting tube

Periscope Tube

Periscope tube with eyepiece

Taylor, Taylor and Hobson, View Camera Lens

Cooke Portrait Lens 6 1/2" X 4 3/4" - Focus 8 inches for view camera

Telescope tailpiece

Telescope tailpiece rack and pinon focus tube with eyepiece

Plate Holder

Brass 6cm x 9cm plate holder w/built-in dark slide. Used in conjunction with 0038 camera.

Relay Tube with Prism

Optical relay tube w/mounted prism