https://www.facebook.com/groups/TypewriterCollectors/posts/10163822244004678

Type slugs commonly used for pharmacists' typewriters:<br /> ℞ is short hand Latin for recipere aka prescription. <br /> ℥ (ounce)<br /> ℈ (scruple)<br /> Gr is for grains, an older weight measurement used before the metric system. 437.5 grains to an ounce.

https://reddit.com/r/typewriters/comments/1fccoqh/what_are_these_keys/

https://www.reddit.com/r/typewriters/comments/1khchin/apothecary_typewriter_whats_that_%C4%81/

https://reddit.com/r/typewriters/comments/1rhk1wc/got_a_the_chicago_typewriter_for_25_from_the_fb/

https://www.facebook.com/groups/994275673944023/posts/1580378748667043

https://www.facebook.com/mr.mrs.vintage/posts/pfbid0NZJByje94LNPJ795Jz4thaRzeFrTtQpiJJQ263DmZb3djGcYRmCPGRCtJHpYXNRol

https://www.facebook.com/groups/4770669677/posts/10158538962519678

https://www.facebook.com/groups/4770669677posts/posts/10160666983979678/

The Apothecary's Typewriter by Scott K on 2012-12-14