Botanical - Cyanotype - (2)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (3)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (4)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (5)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (6)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (7)

Scan of 2 d image in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (8)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (9)

Scan of 2 d image in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (10)

Scan of 2 d image in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (11)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (12)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (13)

Scan of 2 d image in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (14)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (15)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (16)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (17)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (18)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (19)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (20)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (21)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (22)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Botanical - Cyanotype - (23)

Botanical cyanotypes, 19th Century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - blueprint of instruments (1)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (1)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (2)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (3)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (4)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (5)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (6)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (7)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (8)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (9)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (10)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Design - Industrial design - Graph on blue carbon paper - (11)

Effects of quality of surface and color upon absorption of light (1907)
Thesis (B.S.)--Armour Institute of Technology, 1907
B.S. in Electrical Engineering, 1907. Scans of 2 d images in the public domain believed to be free to use without restriction in the US.

Astronomy - Map - Northern constellations

Northern constellations. Map. (Polish,Gwiazdozbiory.polnocne. )Scan of 2 d image in the public domain believed to be free to use without restriction in the US.

Portrait - Cyanotype - Policeman

Cyanotype of policeman image, cyan blue with white policeman graphic shape. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.