General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

Metal container with gypsum (possible) investment compound.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

N/A

Width

N/A

Height

17.0 cm

Thickness

N/A

Weight

N/A

Diameter

13.0 cm

Volume

N/A

Lexicon

Group

Medical Technology

Category

Dentistry

Sub-Category

N/A

Manufacturer

AKA

KERR

Country

United States of America

State/Province

Michigan

City

Detroit

Context

Country

United States of America

State/Province

Vermont

Period

Unknown

Canada

Unknown

Function

Used to mold and cast models and dies.

Technical

Part of a collection of chemicals and equipment used in the manufacture of dental fillings, moulds, bridgework and inlays.

Area Notes

Unknown

Details

Markings

Printed on the outside of the can: "KERR/ REG. U.S. PAT. OFF./ VEL-MIX/ STONE/ The basic ingredient of Kerr Vel-Mix Stone is/ and entirely new and different gypsum./ Kerr Vel-Mix Stone will produce models and/ dies of far greater Accuracy, greater Smooth-/ ness and increased Hardness./ See other panels for physical properties and directions./ Manufactured in U.S.A. by/ KERR MANUFACTURING COMPANY/ DETROIT 8 MICHIGAN/ 5 lbs. Net/ [PHYSICAL PROPERTIES OF]/ KERR/ REG. U.S. PAT. OFF./ WATER-POWDER RATIO: 22-25 cc./ of water to 100 grams of powder/ by weight./ PHYSICAL PROPERTIES AT 22/100./ SETTING TIME: Vicat Needle - 8-10/ Minutes./ SETTING EXPANSION: 2 hours - / 0.04-0.08%./ CRUSHING STRENGTH:/ 1 hour - over 5,000 lbs. per sq. in./ Dry - over 12,000 lbs. per sq. in./ [DIRECTIONS FOR]/ KERR/ RE. U.S. PAT. OFF./ VEL-MIX STONE/ Kerr Vel-Mix is mixed with water as any con-/ ventional stone. The recommended propor-/ tions are 22 to 25 cc. of water oto 100 grams/ of powder by weight or approximately 1 part/ of water to 4 parts of powder by volume./ Powder should be added to the water and/ the mix spatulated for one minute./ Light vibration will cause Vel-Mix to flow/ readily./ Because of its extreme accuracy and hardness,/ Kerr Vel-Mix is recommended for master/ models for all cast work, denture models, study/ models and general Laboratory use."

Missing

Can is open and some contents used

Finish

Grey finished metal can with light and dark blue text and blocks of colour.

Decoration

N/A