Salmoiraghi Planimeter model 236-A
Title
Salmoiraghi Planimeter model 236-A
Subject
geometry
Description
Physical Description
Functional Description
Functional Description
Creator
Steven A. Walton
Date
1980s
Language
English/Italian
Type
physical object
Identifier
MTU property tag no. 45100
Materials
steel, plastic, glass
Maker
Filotecnica Salmoiraghi, Milan, Italy
Inscriptions
[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
[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
Location
MEEM 1105
Collection
Citation
Steven A. Walton, “Salmoiraghi Planimeter model 236-A,” Michigan Tech Inventory of Historic Scientific Instruments, accessed April 19, 2024, https://ihsi.omeka.net/items/show/194.