Yes, that's a Monarch lever-operated collet closer. It's shown on square-dial parts sheet 129. This thread discusses it:... I was wondering if this is a Monarch Collet Closer rather than an aftermarket given the covers.
Obviously I've started to remove some paint the over application was quite impressive they'd basically sealed it.
View attachment 382505
Notice
This website or its third-party tools process personal data (e.g. browsing data or IP addresses) and use cookies or other identifiers, which are necessary for its functioning and required to achieve the purposes illustrated in the cookie policy. To learn more, please refer to the cookie policy. In case of sale of your personal information, you may opt out by sending us an email via our Contact Us page. To find out more about the categories of personal information collected and the purposes for which such information will be used, please refer to our privacy policy. You accept the use of cookies or other identifiers by closing or dismissing this notice, by scrolling this page, by clicking a link or button or by continuing to browse otherwise.