The New York Association for the Blind, at 111 East 59th Street, instructed visually impaired men and women in the trades of sewing, weaving, and various other skills.

The Association was incorporated in 1903 to facilitate instruction programs and home counseling. The New York Times reported about the charitable organization in 1907, just a few years after it was established.

The New York Association "help\[ed] the blind see," teaching the visually impaired "numerous pursuits that have been opened to them," according to the Times. These men pictured here are part of a workshop building brushes and brooms.

At the Metropolitan Life Tower, workrooms, such as this print shop, had superior light and ventilation.

The building was also outfitted with "timesaving technologies, such as typewriters, telephones, and pneumatic tubes," wrote Roberta Moudry in The American Skyscraper

Though today, surgeons are almost indistinguishable without their scrubs, the use of uniforms for surgeons in the operating theater wasn't a common sight until the 1940s.

In this operating room, natural light aids an operation, much like the workspaces of the Metropolitan Life Tower.

At the India House, merchants and bankers could converge and discuss commerce and trade. Keeping the conversation flowing and the food coming, chefs worked behind the scenes in the kitchen. The restaurant at the India House is open to this day, though this kitchen has been updated.

Workers at Silz's weigh out poultry in scales outfitted with large metal pans. Meat markets like Silz's were a dime-a-dozen in the Meatpacking District.

Typesetters work in the main room of Street & Smith Publishing.

The stock room at Street & Smith contained thousands of pulp fiction, dime novels, and magazines. The magazine Mademoiselle, Love Story Magazine, and countless others numbered amongst the vast selection.

In another publishing house, McCall's, men and women sketch clothing designs on drafting tables.

Women work on film reels at Craftsman Film Laboratories.

Employees at McKesson & Robbins man the conveyor belt at what was once the largest U.S.-based distributor of pharmaceuticals.

The company, now simply called McKesson Corporation, remains one of the three largest pharmaceutical distributors and the country's 7th highest revenue generating company.