Precursor Stock Photos and Images

precursor cells amyloid precursor protein precursor of cubism precursor cells

Precursor Stock Photos and Images

The Steel Workers Organizing Committee was one of two precursor labor organizations to the United Steelworkers. It was formed by the CIO (Congress of Industrial Organizations) in 1936. It disbanded in 1942 to become the United Steel Workers of America. A labor union is an organization of workers who have banded together to achieve common goals such as protecting the integrity of its trade, achieving higher pay, increasing the number of employees an employer hires, and better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and n Stock Photo

RMG169NX–The Steel Workers Organizing Committee was one of two precursor labor organizations to the United Steelworkers. It was formed by the CIO (Congress of Industrial Organizations) in 1936. It disbanded in 1942 to become the United Steel Workers of America. A labor union is an organization of workers who have banded together to achieve common goals such as protecting the integrity of its trade, achieving higher pay, increasing the number of employees an employer hires, and better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and n

Joseph Henry (1797-1878) was an American scientist who served as the first Secretary of the Smithsonian Institution, and founding member of the National Institute for the Promotion of Science (precursor of the Smithsonian Institution). While building elec Stock Photo

RMG15MD1–Joseph Henry (1797-1878) was an American scientist who served as the first Secretary of the Smithsonian Institution, and founding member of the National Institute for the Promotion of Science (precursor of the Smithsonian Institution). While building elec

RMG15MCY–Joseph Henry (1797-1878) was an American scientist who served as the first Secretary of the Smithsonian Institution, and founding member of the National Institute for the Promotion of Science (precursor of the Smithsonian Institution). While building elec

RMG169HW–The Steel Workers Organizing Committee was one of two precursor labor organizations to the United Steelworkers. It was formed by the CIO (Congress of Industrial Organizations) in 1936. It disbanded in 1942 to become the United Steel Workers of America. A

Becher's 'Portable Laboratory'. The objects and instruments included in his 'Portable Laboratory' reflects the transition from alchemy to chemistry. Johann Joachim Becher (1635-1682) was a German physician, alchemist, precursor of chemistry, scholar and a Stock Photo

RMG15K7T–Becher's 'Portable Laboratory'. The objects and instruments included in his 'Portable Laboratory' reflects the transition from alchemy to chemistry. Johann Joachim Becher (1635-1682) was a German physician, alchemist, precursor of chemistry, scholar and a

RMG15K7R–Becher's 'Portable Laboratory'. The objects and instruments included in his 'Portable Laboratory' reflects the transition from alchemy to chemistry. Johann Joachim Becher (1635-1682) was a German physician, alchemist, precursor of chemistry, scholar and a

RMHRF8P6–Mouse Lymphocyte, TEM

Pancho Villa Expedition, Holt Caterpillar Tractor, 1916 Stock Photo

RMM2HYBE–Pancho Villa Expedition, Holt Caterpillar Tractor, 1916

RMHRJMN9–Lymphocyte, TEM

RMHRJMNB–Lymphocyte, TEM

RMHRF8P5–Mouse Lymphocyte, TEM

RMHRJMNE–Lymphocyte, TEM

RMHRJMND–Lymphocyte, TEM

Human Embryonic Stem Cell Neurons, FM Stock Photo

RMHRJFN2–Human Embryonic Stem Cell Neurons, FM

Photophone Transmitter, Bell and Tainter, 1881 Stock Photo

RMHRKM0B–Photophone Transmitter, Bell and Tainter, 1881

The essential elements of a telephone are a microphone (transmitter) to speak into and an earphone (receiver) which reproduces the voice of the distant person. The photophone (later given the alternate name radiophone) was similar to a contemporary teleph Stock Photo

RMG14WK5–The essential elements of a telephone are a microphone (transmitter) to speak into and an earphone (receiver) which reproduces the voice of the distant person. The photophone (later given the alternate name radiophone) was similar to a contemporary teleph