Index
Instruments
Drafting Instruments
Drawing Sets
Pantographs
Coordinatographs
Mathematical Instruments
Planimeters
Integrators
Makers
Drafting Instruments
Ludwig Esser
Hommel-Esser Aarau
History
Serial Numbers and Markings
Catalogs and Price Lists
Various Documents
Kern & Co. Aarau
History
Divider Patterns
Markings and Logos
Advertising
Catalogs and Price Lists
Manuals
Various Documents
Patents
Gysi & Co. Aarau
History
Catalogs and Price Lists
Various Documents
J. Bossart Suhr-Aarau
History
Catalogs and Price Lists
Patents
F. Rohr-Bircher
Glaus, Leuzinger & Cie.
Wild Heerbrugg
History
Catalogs and Price Lists
Various Documents
Calculating Discs and Drums
Billeter / National
History
Manuals
Patents
Daemen-Schmid / Loga
History
Catalogs and Price Lists
Manuals
Patents
Mathematical Instruments
Alfred J. Amsler & Co.
History
Serial Numbers
Catalogs and Price Lists
Manuals
Various Documents
Patents
Gottlieb Coradi
History
Serial Numbers
Betschmann's Aerovue Maps
Catalogs and Price Lists
Manuals
Commercial Documents
Various Documents
Patents
Haag-Streit
History
Catalogs and Price Lists
Manuals
Various Documents
Patents
Hünenberger-Murbach
History
Catalogs and Price Lists
Manuals
Jakob Goldschmid
History
Kaspar Wetli
History
Rack Railway System
Manuals
Various Documents
Gallery
Drafting Instruments
Hommel-Esser Aarau
Ludwig Esser
Drafting Set
Proportional Divider
Pocket Compass
Protractor
F. Hommel-Esser
Drafting Set
Drafting Set
Beam Compass
Beam Compass
F. Rohr-Bircher
Lithographic Drafting Set
Kern & Co. Aarau
Jakob Kern
Protractor
Drafting Set
Drafting Set
Drafting Set
Drafting Set
Spring Bow Compass
Caliper
Caliper
Kern & Cie.
Drafting Set
Lithographic Draftiong Set
Drafting Set
Tubular Compass
Pocket Compass
Drafting Set
Drafting Set
Planimeter (Alfred J. Amsler & Co.)
Planimeter (Alfred J. Amsler & Co.)
Drafting Set
Dotting Pen
Road Pen
Proportional Divider
Proportional Divider
Drafting Set
Drafting Set
Drafting Set
Drafting Set
Kern Aarau
Drafting Set
Drafting Set
Drafting Set
Hatching Apparatus
Drafting Set
Proportional Divider
Beam Compass
Drafting Set
Engraver Compass
Drafting Set
Spring Bow Compass
Dotting Pen
Kern Swiss
Drafting Set
Drafting Set
Drafting Set Prontograph
Pocket Drafting Set
Drafting Set
Drafting Set
Presentation Case
Geiser Universal-Linierwinkel
Gysi & Co. Aarau
Friedrich Gysi
Drafting Set
Drafting Set
Gysi & Co.
Spring Bow Compass
Drafting Set
Drafting Set
Tubular Compass
Road Pen
Transverse Map Scale
Spring Bow Compass
Glaus, Leuzinger & Cie.
Proportional Divider
J. Bossart Suhr-Aarau
Drafting Set
Drafting Set
Various Makers
Drafting Set
Proportional Divider
Transvere Map Scale (F. Kuhn)
Measuring Compass (Bartolome April)
Ellipsograph (Pat. H. Sieber)
Elliptical Compass (Scholl)
Ellipsodem (Racher)
Rechenscheiben und Rechenwalzen
Billeter / National
Circular Slide Rule
Daemen-Schmid / Loga
Slide Rule
Slide Rule
Circular Slide Rule
Cylindrical Slide Rule
Cylindrical Slide Rule
Cylindrical Slide Rule
Pointer for Cylindrical Slide Rule
Talcum Cans for Cylindrical Slide Rule
Mathematical Instruments
Alfred J. Amsler & Co.
Jakob Amsler (1856 - 1888)
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Pantograph Planimeter
Polar Planimeter
Polar Planimeter
Amsler & Co. (1888 - 1950)
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Disc Planimeter
Compensating Planimeter
Radial Planimeters
Radial Planimeter (Durand-Amsler)
Radial Square Root Planimeter (Kent)
Radial Square Root Planimeter
Integrators
Integrator
Integrator
Integrator
Harmonic Analyser
Amsler & Co. (1950 - 1982)
Compensating Planimeter
Compensating Planimeter
Disc-Knife Planimeter
Disc-Knife Planimeter
Compensating Polarplanimeter
Pantograph Accessory
G. Coradi Zürich
Ott & Coradi
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeters (until about 1893)
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeters (around 1893 - 1900)
Compensating Polar Planimeter
Kompensations-Polarplanimeter
Kompensations-Polarplanimeter
Polar Planimeters (from about 1900)
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Compensating Polar Planimeter
Special Purpose Planimeters
Polar Disc Planimeter
Polar Sphere Planimeter
Polar Disc Planimeter
Rolling Disc Planimeter
Rolling Sphere Planimeter
Rolling Disc Planimeter
Chart Planimeter (Siemens & Halske)
Curvimeter
Checking Disk
Checking Disk
Integraphs
Integraph
Coordinatographs
Coordinatograph
Detail Coordinatograph
Coradi AG
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Polar Planimeter
Rolling Disc Planimeter
Hünenberger-Murbach
Hünenberger
Polar Disc Planimeter
Polar Disc Planimeter
Rolling Disc Planimeter
Polar Planimeter
Polar Planimeter
Murbach
Polar Planimeter
Polar Planimeter
Polar Planimeter
Haag-Streit
Transverse Map Scale
Transverse Map Scale
Transverse Map Scale
Various Makers
Orthogonal Planimeter (Starke)
Polar Planimeter
Line Chart Planimeter
Hyperbola Graph
Hyperbola Graph
Harp Planimeter
Literature
Mathematical Instruments
Drafting Tools
Planimeters
Integrators
Online References