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Alexander Graham Bell's Volta Laboratory made several improvements in the 1880s, including the use of wax-coated cardboard cylinders, and a cutting stylus that moved from side to side in a " zig zag " pattern across the record.

An early experimental non-magnetic tape recorder patented in 1886 by Alexander Graham Bell's Volta Laboratory.

The earliest known audio tape recorder was a non-magnetic, non-electric version invented by Alexander Graham Bell's Volta Laboratory and patented in 1886 ().

In 1880 Alexander Graham Bell and his assistant Charles Sumner Tainter created the Photophone, at Bell's newly established Volta Laboratory in Washington, DC.

The hospital has an Alexander Fleming Laboratory Museum where visitors can see Fleming's laboratory, restored to its 1928 condition, and explore the story of Fleming and the discovery and development of penicillin through displays and video.

* The Volta Laboratory and Bureau, created by Alexander Graham Bell as his first formal research laboratory, the profits from which were used to create a research and educational institution devoted to serving the deaf, which operates today as the Alexander Graham Bell Association for the Deaf and Hard of Hearing, also known as the ' AG Bell '.

The Dictaphone's earliest development occurred at the Volta Laboratory established by Alexander Graham Bell in Washington, D. C. in 1881.

* Alexander Fleming Laboratory Museum

* 19 February 1880: The photophone, also known as a radiophone, is invented jointly by Alexander Graham Bell and Charles Sumner Tainter at Bell's Volta Laboratory.

* Alexander Animalu, Emeritus Professor of Physics and former Research Scientist, Lincoln Laboratory, Massachusetts Institute of Technology ( MIT ), United States of America ; former President, Nigerian Academy of Science and Director-General, National Mathematical Centre, Abuja

* Volta Laboratory and Bureau, Alexander Graham Bell's research laboratory in Washington, D. C.

His son, Alexander Graham Bell Fairchild lived and worked as a research entomologist for 33 years at the Gorgas Memorial Laboratory in the Republic of Panama.

* Volta Laboratory and Bureau, research and philanthropic institutions created by Alexander Graham Bell in 1880 and 1887 respectively

Many other buildings stood on the Old Campus which were removed to make way for the current configuration of structures, including The Old Laboratory ( 1782 – 1888 ), The Cabinet ( 1819 – 1890 ), Trumbull Gallery ( 1832 – 1901 ), Alumni Hall ( 1853 – 1911, Alexander Jackson Davis ; the towers from this building were rescued and rebuilt behind the tomb of Skull and Bones ), Old Dwight Hall ( 1885 – 1926, J. Cleaveland Cady ), and Osborn Hall ( 1888 – 1926, Bruce Price ).

The Graphophone was the name and trademark of an improved version of the phonograph invented at the Volta Laboratory established by Alexander Graham Bell in Washington, D. C.

Commander Boyd R. Alexander, a radio design officer, and the Naval Research Laboratory in Bellevue D. C. for further testing and evaluation.

* Alexander L. Fetter ( Class of 1954 )-Professor of Physics and Applied Physics and Director of the Laboratory for Advanced Materials ( LAM ), Stanford University

*" Microbiology, A Photographic Atlas for the Laboratory ", Alexander, Street, Pearson Education, 2001.