Humboldt State University ® Department of Chemistry

Robert A. Paselk Scientific Instrument Museum

William Ainsworth

Vendor Catalog Scans

The images and catalog descriptions are scanned from catalogs in the curator's collection. In each case an effort has been made to scan all of the balances of a given manufacturer in the catalog. It should be noted. however, that the distributors generally show only a selection of balances from any one manufacturer. Catalogs are selected from the curator's collection at approximately ten year intervals, when available, with a second criteria being representation of the specific manufacturer.

Henry Heil Chemical Company St. Louis, Mo. (1903) *Illustrated Catalog and Price-List of Chemical Apparatus*
Image	Text	Image	Text
	Ainsworth No 0 Precision Assay Balance		Ainsworth No 1 Special Button Assay Balance
	Ainsworth No 1 Long-beam Button Assay Balance		Ainsworth No 2 Button Assay Balance
	Ainsworth No 043 Long-beam Button Assay Balance		Ainsworth No 044 Long-beam Button Assay Balance
	Ainsworth No 045 Long-beam Silver Button Assay Balance		Ainsworth No 048 Analytical Balance

Calkins Co., Los Angeles. (c. 1920) *Cat No 9, Assayers Materials & Laboratory Supplies*
Image	Text	Image	Text
	Ainsworth Type LH Analytical Balance		Ainsworth Type Q Analytical Balance
	Ainsworth Type Q-C Analytical Balance		Ainsworth Type T Analytical Balance
		Ainsworth Multiple Rider Carrier
	Ainsworth Type F Button Balance		Ainsworth Type FB Button Balance
	Ainsworth Type H Button Balance	Not Illustrated	Ainsworth Type V Button Balance
	Ainsworth Multiple Rider Carrier (Button Balance Type)		Ainsworth Type R Portable Button Balance
	Ainsworth Pulp Balance		Ainsworth Assay Weights

Eimer & Amend, New York (1927) *BCM Catalog: Biological, Chemical and Metallurgical Apparatus* Catalog materials used with permission from Fisher Scientific Company
Image	Text	Image	Text
	Ainsworth Multiple Rider Carrier Analytical Balance		Ainsworth Model H Assay Balance
Braun Corp., Los Angeles (1934) **Catalog No.34, Laboratory Instruments, Apparatus and Supplies** Catalog materials courtesy of VWR Scientific Corporation
	Ainsworth Type LJ Analytical Balance		Ainsworth Type VG Assay Balance
		Ainsworth Type VM Assay Balance

Fisher Scientific Company, New York (1958) *Modern Laboratory Appliances, Catalog 59* Catalog materials used with permission from Fisher Scientific Company
Image	Text	Image	Text
	Ainsworth Type BB Chainweight Analytical Balance		Ainsworth Type BCT-M2 Chainweight Analytical Balance
	Ainsworth Type DLB Chainweight Analytical Balance		Ainsworth Type T Analytical Balance
	Ainsworth Substitution Analytical Balance		Ainsworth Recording Balance
	Ainsworth Type TCY Semi-Micro Balance		Ainsworth Type FH Micro Balance
		Ainsworth Type VM Assay Balance

Braun-Kneckt-Heimann-Co.

division of

Van Waters and Rogers, San Francisco (1963)

Catalog 63 Laboratory Instruments...Apparatus...Furniture...Supplies

for: Chemical Laboratories...etc.

Catalog materials courtesy of VWR Scientific Corporation

Image

Text

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Van Waters and Rogers, San Francisco (1968) *Catalog 69 Scientific Apparatus instruments and supplies for: Industrial, Educational, Clinical and Research Laboratories* Catalog materials courtesy of VWR Scientific Corporation
Image	Text	Image	Text
	Ainsworth Digital Analytical Balance		Ainsworth Digital Analytical Balance
	Ainsworth Digital Analytical Balance		Ainsworth Digital Analytical Balance

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Last modified 8 December 2005

Humboldt State University ® Department of Chemistry

Robert A. Paselk Scientific Instrument Museum

William Ainsworth

Vendor Catalog Scans

Museum Home