Polarimeter in case and drawing from Mt Stromlo Observatory
Object No. 89/1360
Polarimeter / photometer in case and technical drawing, from Mt Stromlo Observatory, wood / metal / glass / plastic / paper, S.C.B. (Ben) Gascoigne, Australia, 1963
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Summary
Physical Description
Polarimeter / photometer in case and technical drawing, from Mt Stromlo Observatory, wood / metal / glass / plastic /paper, S.C.B. (Ben) Gascoigne, Australia, 1963 (-1) Lacquered wooden box, marked "Polarimeter" and handwritten label "Handle with extreme care/ Do not bump/ Delicate scientific instrument." (-2) Polarimeter: metal cylinder on flat base, attached with four bolts. Controls on top reading "aperture", black plastic dial with numbers 1-5 and "Aperture/Illumination"; "Record/ Heating/ Increase". (-3) Metal plate, bulging at middle and tapered at each end, with slotted ends and a central hole. (-4) Metal plate with slotted ends and centrally fixed eyepiece marked "Ramsden/ X7/ PTI". (-5) Blueprint technical drawing of polarimeter, including plan and elevation. (-6) Envelope containing spare globe.
DIMENSIONS
Height
350 mm
Width
630 mm
Depth
380 mm
PRODUCTION
Notes
According to information on the blue file, the polarimeter was made by S.C.B (Ben) Gascoigne.
HISTORY
Notes
Gascoigne and Vinvanthan used the polarimeter for thesis work on the 50 inch telescope at Mount Stromlo Observatory (information taken from the blue file).
SOURCE
Credit Line
Gift of Mt Stromlo Observatory, 1989
Acquisition Date
18 September 1989
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