Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Perry W H F1

Share This

Share/Save

Perry W H F1

How will you use this image ?
Select one of the following options.
Individual Use
Not-for-profit Use
For-profit Use (educational only)
Not sure yet

We charge a usage fee per photo if the photo is published, reproduced in a product or publicly exhibited. This is not a license in the legal sense. As a non-profit institution, we do not make any money providing these photographs. It is only by assessing usage fees that we are able to cover the cost of providing publication quality copies of our photos, preserving the photograph collection according to archival standards, and providing access to the collection by maintaining an online image database. The copyright holder may charge a fee in addition to our service fee.

Images are for use in educational projects only and must be used in a respectful manner.

$20.00
Image title: 
W.H. Perry looks over the shoulder of Professor John Strong at the new ruling engine designed by the latter
Credit line: 
AIP Emilio Segrè Visual Archives, Physics Today Collection
Description: 

(L-R): W.H. Perry, long a technician responsible under Professor R.W. Wood and his successors for the operation of the ruling engines at Johns Hopkins University, looks over the shoulder of Professor John Strong at the new ruling engine designed by the latter.

Photo date: 
circa 1950
Original format: 
2 photographic prints (black and white; 10 x 8 inches)
Person(s): 
Perry, W.H.
Strong, John, 1905-