[front] OSMETTE | Precision Osmometer
[MTU Property tag] Property of | 49216 | MICHIGAN | TECHNOLOGICAL | UNIVERSITY
[meter] Precision Systems
[knob] [3-digit readout that is set by rotating knob]
[meter scale] -5 to 5 by 0.2
[buttons] COOL | HOLD | SEED | READ | OFF
[Tape over HOLD button] -1.6
[Tape over SEED button] -2.0
[Tape over READ button] 5--> [up-right arrow]
[handwritten label] When not in use ... | leave instrument with an empty sample tube in the well and tie the head down.
[rear foil label] PRECISION SYSTEMS, INC. | 60 Union Ave | Sudbury, Mass 01776 | Model No. 2007 | Serial No. D11191 | Voltage 115V 60Hz | 3 AMP FUSE | MADE IN USA
[fuse holder] FUSE [ccw arrow]
History of the Object
unknown
Location
MEEM 1105 (but being deaccessioned)
]]>https://ihsi.omeka.net/items/show/195Physical Description Two polarizing lenses on a hexagonal shaft. The two lenses are each in a metal ring with a hexagonal handle, and the smaller of the two fits in the larger to make a double-ended (dumbell) object. The smaller of the two lenses has a hexagonal ring with a fixed lens, while the larger has a circular ring with a red knurled rotating ring as well as a filter screw thread adapter. 'HCE' seems to refer to a hard coting terminology.
Functional Description Used to determine the angle of poraliztion of light.]]>2021-02-13T19:37:45-05:00
Title
HCE Rotopol polarizing unit
Subject
optics
Description
Physical Description Two polarizing lenses on a hexagonal shaft. The two lenses are each in a metal ring with a hexagonal handle, and the smaller of the two fits in the larger to make a double-ended (dumbell) object. The smaller of the two lenses has a hexagonal ring with a fixed lens, while the larger has a circular ring with a red knurled rotating ring as well as a filter screw thread adapter. 'HCE' seems to refer to a hard coting terminology.
Functional Description Used to determine the angle of poraliztion of light.
[front] Salmoiraghi | 236-A | 147146
[front scale] 11 to -1 by 1s, marked at 10, 5, 0
[back] FILOTECNICA | SALMOIRAGHI | SPA MILANO | MADE IN ITALY
[SCALE: circular dial] 0 to 10 by 1s continuous rotation
[SCALE: drum dial] 0 to 10 by 0.1s, marked at whole numbers, continuous rotation and vernier to get to 0.01 resolution
[SCALE: arm] 23 to 6 by 1s, marked at whole numbers from 22 to 6, though note that the 6 reads "6[square]''/1000 value of the unit"
[arm] LIETZ | N.3651-00
[label in case] PLANIMETER type 236-a | n. -147146 | CALIBRATION CARD | Scale ratio 1:1 | Unit of the Vernier [blank] sq.in. [blank] mm2 | Constant 22900 sq.in. [blank] mm2 | SALMORAGHI [logo] | Inspected by [illegible signature] Milano 09096