University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Vision
Visual Aids
Classification
Optometry
Vision
Vision Tests
Accession Number
1969.244.3 a-e
Description
Calfskin leather rectangular case with brown metal snaps holds four "Tone-Lite" size 0 to size 3 tinted lenses in a fold-over leather case; inside the case are four pockets to hold the lenses with a piece of plastic stiffener possibly made from bakelite or celluoid runs the width of the case; manuf…
Calfskin leather rectangular case with brown metal snaps holds four "Tone-Lite" size 0 to size 3 tinted lenses in a fold-over leather case; inside the case are four pockets to hold the lenses with a piece of plastic stiffener possibly made from bakelite or celluoid runs the width of the case; manufacturer stamp on outside of case and same in gold foil applied seal inside; round dome shaped lense begin wiht clear glass and each lense has a progressively darker brown tint.
Number Of Parts
5
Part Names
a -d lens: Diam. 4.1 cm
e - case: Length 17.8 cm x Width 4.4 cm
Provenance
Acquired from the Academy of Medicine; source unknown.
Maker
Tone Lite
Dates
1900
1930
circa 1900-1930
Material
leather: brown
glass: clear
plastic: cream
ink: gold, white, black
paper: gold
metal: grey
Inscriptions
On decal inside the case reads, "IMPERIAL // TONE LITE [in the rays from a lighthouse image] // LENSES // ABSORB // HARMFUL RAYS"; on lenses: "TONE-LITE 0 // 1 // 2 // 3"
Permanent Location
Storage Room 0010
0010-E4-8
Condition Remarks
Case flap is ripped; lenses in good condition; plastic strip requires cleaning
Copy Type
Original
Exhibit History
Off-site for conservation at Queen’s University Masters of Art Conservation School, Sept – Dec 2018.