Hewlett-Packard Company 1943 vintage electrical ad frequency standard

<p>Original 1943 electrical trade vintage ad for<b><span style="font-size: 14px;">&nbsp;HEWLETT-PACKARD COMPANY.&nbsp;&nbsp;</span></b>Main office and plant was located in Palo Alto, CA.</p><p> Manufacturers of Electronic Test Equipment.</p><p>Products include: <b>Model 100A Low Frequency Standard</b>.&nbsp; Four standard frequencies available simultaneously.</p><p>Standard frequencies of 100cps, 1KC, and 100KC are supplied through a crystal controlled oscillator and a series of frequency dividers of the regenerative modulator type. The output of each of these frequency dividers is made available separately through a low impedance output system.&nbsp;</p><p> Has product image, description, applications and specifications provide extensive product details. </p><p>Unbound from a 1943 electrical engineering magazine, this unique old one-page advertisement would display beautifully matted and framed. Nice graphics.&nbsp;World War 2 propaganda. A fabulous addition to your retro electrical library.<br></p>