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.