Trade catalogs of scientific and industrial instruments, 1875-1928.

Siemens & Halske A.-G.

http://n2t.net/ark:/99166/w6g516pq (corporateBody)

Boston Optical Works.

http://n2t.net/ark:/99166/w6k99r0q (corporateBody)

Sperry Gyroscope Company, inc.

http://n2t.net/ark:/99166/w6gx838b (corporateBody)

Elmer Sperry (1860-1930) founded the Sperry Gyroscope Company in Brooklyn, N.Y., in 1910 in order to develop, manufacture, and market his gyrocompass, ship stabilizer, and high-intensity searchlight. During the months that followed, Sperry worked closely with Admiral David W. Taylor of the U.S. Navy to perfect these inventions. In 1911 the first gyrocompass was installed on the battleship DELAWARE. Despite some problems associated with its installation, by 1915 it had been adopted a...

R.B. Tolles (Firm)

http://n2t.net/ark:/99166/w6fg090d (corporateBody)

Swift & Anderson, Inc.

http://n2t.net/ark:/99166/w64523wf (corporateBody)

Geo. A. Smith & Co.

http://n2t.net/ark:/99166/w6fj906g (corporateBody)

Spendler & Hoyer.

http://n2t.net/ark:/99166/w6994qrs (corporateBody)

Gabriel Spinaux (Firm)

http://n2t.net/ark:/99166/w6bp6kp3 (corporateBody)

Henri Stein (Firm)

http://n2t.net/ark:/99166/w6wx411k (corporateBody)

Smith-Root Incorporated.

http://n2t.net/ark:/99166/w6s24k6w (corporateBody)

Standard Thermometer Company.

http://n2t.net/ark:/99166/w69p9hzp (corporateBody)

J.T. Slocomb Co.

http://n2t.net/ark:/99166/w6fz3sr1 (corporateBody)

Sanborn Company

http://n2t.net/ark:/99166/w6cc6n5d (corporateBody)

Boston, MA. From the description of Collection, ca.1915-1920. (College of Physicians of Philadelphia). WorldCat record id: 122488926 ...

Spencer Lens Company

http://n2t.net/ark:/99166/w68966zq (corporateBody)

Sartorius-werke A.G.

http://n2t.net/ark:/99166/w6kh74xp (corporateBody)

Steindorff & Co.

http://n2t.net/ark:/99166/w6wt59pr (corporateBody)

Time Clocks

http://n2t.net/ark:/99166/w6423ds5 (corporateBody)

Stromberg Electric Company.

http://n2t.net/ark:/99166/w6fv53mp (corporateBody)

Stephens & Co.

http://n2t.net/ark:/99166/w6b05n4g (corporateBody)

Sargent Steam Meter Co.

http://n2t.net/ark:/99166/w61w1xrh (corporateBody)

Franz Schmidt & Haensch.

http://n2t.net/ark:/99166/w6f25g7c (corporateBody)

C.A. Steinheil Söhne.

http://n2t.net/ark:/99166/w67h828m (corporateBody)

Schuchardt & Schütte.

http://n2t.net/ark:/99166/w65b6k5c (corporateBody)

Geneva Optical Company.

http://n2t.net/ark:/99166/w66q8dqb (corporateBody)

Sandoz Fils & Co.

http://n2t.net/ark:/99166/w6g22h7z (corporateBody)

L.S. Starrett Co.

http://n2t.net/ark:/99166/w6rg2bw1 (corporateBody)