By Curationist•February 2025
Folding ruler and case
Indo-Persian Planispheric Astrolabe
Patent Model for Estimator Slide Rule Invented by Fredric Maurice Stapff
Patent Model for Combination Rule, Protractor, and Calculating Device by Nels Ockerlund
English Planispheric Astrolabe
measuring device
Sentinel Scale
Protractor, Model 3-B, United States Army Air Force
Bore Measuring Rod
Carpenter's Combination Tool, Patent Model
Barometer
sundial compass
Heliostat
Computer, Dead Reckoning, Sally Ride
Persian Planispheric Astrolabe
Italian Planispheric Astrolabe
Log and Rotor, Patent Model
Ruler
Protractor
Meetlat uit het wrak van de Oost-Indiëvaarder Hollandia
Tool Gauge
Diagonal barometer and thermometer
Traveling sundial and compass
Force Measuring Unit, Skylab
Hartman's Planispheric Astrolabe
Planispheric Astrolabe Engraved with Arabic Script
Taffrail Log Recorder, Patent Model
Hem Marker
Decimal Scale
Artificial Horizon
Flow Regulator, Liquid Oxygen, Rocket Engine, R.H. Goddard, 1926
Wheel barometer
Mechnical tally counter
Sundial compass
Hoekmeter
Planispheric Astrolabe from Muslim Spain
Krausch Engine Indicator Patent Model
Sliding caliper used by Dr. Montague Cobb
Cubit measuring rod
Vacuum Gauge
Pillar barometer
Portable Equatorial
Patent Model for Hosley Ship's Model Measurer, 1851
French Planispheric Astrolabe
G. H. Crosby Indicator, Patent Model
Fragment of a Cubit Measuring Rod
Salinometer
Hair Hygrometer
Torricellian barometer