Name/Title
Patent ModelEntry/Object ID
1946.31.4Description
Patent model of an evaporator. The model consists of a tinned copper tray separated into 12 compartments. The center divider lists to the side, creating unequal compartments. There are four oval wire handles on the long sides near the corners.Use
From 1790 to 1880, the US Patent Office required a three-dimensional working model to demonstrate each new invention.Context
Model for patent number 98,816, issued to Abner Tolles of Perkinsville, Vermont, on January 11, 1870
Label from an exhibit: "Model of an apparatus for evaporating saccharin and other solutions. Abner Tolles and Almon Durkee Tolles. Weathersfield and Royalton. 1870
Abner Tolles was born in Weathersfield on July 30, 1823, and died May 27, 1880. Almon was his nephew. The Tolleses' invention allowed for a continuous evaporation of sap, prevented back flow, and kept scum and foreign matter in the first compartment as the refined liquid moved from one compartment to the next."Acquisition
Accession
1946.31Source or Donor
Gilbert, Orville Rundle (1906-1989)Acquisition Method
PurchaseLexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Model, PatentNomenclature Primary Object Term
ModelNomenclature Sub-Class
Other DocumentsNomenclature Class
Documentary ObjectsNomenclature Category
Category 08: Communication ObjectsDimensions
Dimension Description
OverallWidth
3-1/2 inDepth
5/8 inLength
9-1/2 inMaterial
Metal, Copper, TinRelationships
Related Places
Place
Village
PerkinsvilleTown
WeathersfieldCounty
Windsor CountyState/Province
VermontCountry
United States of AmericaContinent
North America